PIAGGIO X8 125, X8 200 Workshop Manual

WORKSHOP MANUAL
618126
X8 125-200
WORKSHOP
MANUAL
X8 125-200
The descriptions and illustrations given in this publication are not binding. While the basic specifications as described and illustrated in this booklet remain unchanged, PIAGGIO-GILERA reserves the right, at
any time and without being required to update this publication beforehand, to make any changes to
components, parts or accessories, which it considers necessary to improve the product or which are
required for manufacturing or construction reasons.
Not all versions shown in this publication are available in all countries. The availability of single models
should be checked at the official Piaggio sales network.
"© Copyright 2008 - PIAGGIO & C. S.p.A. Pontedera. All rights reserved. Reproduction of this publication
in whole or in part is prohibited."
PIAGGIO & C. S.p.A. - After-Sales
V.le Rinaldo Piaggio, 23 - 56025 PONTEDERA (Pi)
WORKSHOP MANUAL
X8 125-200
This workshop manual has been drawn up by Piaggio & C. Spa to be used by the workshops of Piaggio­Gilera dealers. This manual is addressed to Piaggio service mechanics who are supposed to have a basic knowledge of mechanics principles and of vehicle fixing techniques and procedures. Any important changes made to the vehicles or to specific fixing operations will be promptly reported by updates to this manual. Nevertheless, no fixing work can be satisfactory if the necessary equipment and tools are unavailable. It is therefore advisable to read the sections of this manual relating to specific tools, along with the specific tool catalogue.
N.B. Provides key information to make the procedure easier to understand and carry out.
CAUTION Refers to specific procedures to carry out for preventing damages to the vehicle.
WARNING Refers to specific procedures to carry out to prevent injuries to the repairer.
Personal safety Failure to completely observe these instructions will result in serious risk of personal
injury.
Safeguarding the environment Sections marked with this symbol indicate the correct use of the vehicle to prevent damaging the environment.
Vehicle intactness The incomplete or non-observance of these regulations leads to the risk of serious damage to the vehicle and sometimes even the invalidity of the guarantee.
INDEX OF TOPICS
CHARACTERISTICS CHAR
TOOLING TOOL
MAINTENANCE MAIN
TROUBLESHOOTING TROUBL
ELECTRICAL SYSTEM ELE SYS
ENGINE FROM VEHICLE ENG VE
ENGINE ENG
SUSPENSIONS SUSP
BRAKING SYSTEM BRAK SYS
COOLING SYSTEM COOL SYS
CHASSIS CHAS
PRE-DELIVERY PRE DE
TIME TIME
INDEX OF TOPICS
CHARACTERISTICS CHAR
This section describes the general specifications of the vehicle.
Rules
This section describes general safety rules for any maintenance operations performed on the vehicle.
Safety rules
- If work can only be done on the vehicle with the engine running, make sure that the premises are well­ventilated, using special extractors if necessary; never let the engine run in an enclosed area. Exhaust fumes are toxic.
- The battery electrolyte contains sulphuric acid. Protect your eyes, clothes and skin. Sulphuric acid is highly corrosive; in the event of contact with your eyes or skin, rinse thoroughly with abundant water and seek immediate medical attention.
- The battery produces hydrogen, a gas that can be highly explosive. Do not smoke and avoid sparks or flames near the battery, especially when charging it.
- Fuel is highly flammable and it can be explosive given some conditions. Do not smoke in the working area, and avoid open flames or sparks.
- Clean the brake pads in a well-ventilated area, directing the jet of compressed air in such a way that you do not breathe in the dust produced by the wear of the friction material. Even though the latter contains no asbestos, inhaling dust is harmful.
Maintenance rules
- Use original PIAGGIO spare parts and lubricants recommended by the Manufacturer. Non-original or non-conforming spares may damage the vehicle.
- Use only the appropriate tools designed for this vehicle.
- Always use new gaskets, sealing rings and split pins upon refitting.
- After removal, clean the components using non-flammable or low flash-point solvents. Lubricate all the work surfaces, except tapered couplings, before refitting these parts.
- After refitting, make sure that all the components have been installed correctly and work properly.
- For removal, overhaul and refit operations use only tools with metric measures. Metric bolts, nuts and screws are not interchangeable with coupling members with English measurement. Using unsuitable coupling members and tools may damage the vehicle.
- When carrying out maintenance operations on the vehicle that involve the electrical system, make sure the electric connections have been made properly, particularly the ground and battery connections.
Vehicle identification
Version 125
Chassis prefix: ZAPM36300 ÷ 1001
X8 125-200 Characteristics
CHAR - 7
Engine prefix: M363M
Version 200
Chassis prefix: ZAPM36200 ÷ 1001 Engine prefix: M362M
Dimensions and mass
DIMENSIONS AND WEIGHT
Specification
Desc./Quantity
Dry weight 157 kg
Wheelbase 1490 mm
Height 1370 mm
Overall length 2050 mm
Width (handlebar) 760 mm
Engine
DATA 125
Specification
Desc./Quantity
Version 125
Engine Single-cylinder, four-stroke
Bore x stroke 57 x 48.6 mm
Cubic capacity 124 cm³
Compression ratio 12 : 1
ignition advance (before TDC) 10° at 2000 rpm - 34° at 6000 rpm
Walbro carburettor WVF 7G* Ø 29 Carburettor Keihin CVEK-30
Spark plug CHAMPION RG 4 HC
Maximum speed 105 km/h
Timing system: 125 Single overhead camshaft driven by chain on left side, three-
arm rockers with threaded adjuster.
Valve clearance: intake 125 0,10 mm
Valve clearance: exhaust 125 0,15 mm
Air filter 125 sponge soaked in 50 percent petrol-oil mixture.
Starting system 125 electric starter with Bendix gear
Lubrication 125 lubrication with chain driven lobe pump in crankcase, mesh
strainer and cartridge filter.
Fuel supply Petrol (unleaded, with minimum octane rating of 95) through
carburettor Engine - wheel ratio 125 Long: 1/9,1 Engine - wheel ratio 125 Short: 1/30,36
* The identification letter can vary every time the carburettor is up-dated.
Characteristics X8 125-200
CHAR - 8
DATA 200
Specification Desc./Quantity
Version 200 cc
Engine single-cylinder, four-stroke
Raffreddamento A liquido
Bore x stroke 72 x 48.6 mm
Cubic capacity 198 cm³
Compression ratio 11.5 :1
ignition advance (before TDC) 10° ± 1° at 2000 rpm - 32° ± 1° at 6500 rpm
Walbro carburettor WVF 7H* Ø 29 Carburettor Keihin CVEK-30
Spark plug CHAMPION RG 6 YC
Valve clearance: intake 200 0,10 mm
Valve clearance: exhaust 200 0,15 mm
Timing system 200 Single overhead camshaft driven by chain on left side, three-
arm rockers with threaded adjuster.
Air filter 200 sponge soaked in 50 percent petrol-oil mixture.
Starter System 200cc Electric starter motor with bendix-type drive-gear and torque-
limiter
Lubrication 200 lubrication with chain driven lobe pump in crankcase, mesh
strainer and cartridge filter.
Power supply 200 Fuel (minimum octane number 95, leadless), with vacuum
pump and by carburettor
* The identification letter can vary every time the carburettor is up-dated.
Transmission
TRANSMISSIONS
Specification
Desc./Quantity
Transmission With automatic expandable pulley variator, V belt, automatic
clutch, gear reduction unit and transmission housing with
forced-circulation air cooling.
Capacities
CAPACITY
Specification
Desc./Quantity
Engine oil ~ 1000 cc (recommended oil: Selenia HI Scooter 4 Tech)
Fuel tank (including a ~ 2 l reserve) ~ 9.5 l
Rear hub 150 cc (recommended oil: TUTELA ZC 90)
Cooling system fluid approx. 2.100 ÷ 2.150 l PARAFLU 11FE (Diluted)
Electrical system
ELECTRICAL COMPONENTS - 125CC VERSION
Specification
Desc./Quantity
Generator 125 Three-phase alternating current
Battery 125 12V-12Ah
Spark plug NGKCR8EB
Ignition type 125 Electronic capacitive discharge ignition (CDI) and variable ad-
vance, with separate HV coil.
variable ignition advance (before T.D.C.) 125 10°±1° at 2000 rpm - 34°±1° at 6000 rpm
X8 125-200 Characteristics
CHAR - 9
ELECTRICAL COMPONENTS 200
Specification Desc./Quantity
Generator Three-phase alternating current
Battery 12V-12Ah
Spark plug 200 Champion RG6YC
Ignition type Electronic capacitive discharge ignition (CDI) and variable ad-
vance, with separate HV coil.
variable ignition advance (before T.D.C.) 200 10°±1 at 2000 rpm - 32°±1 at 6500 rpm
Frame and suspensions
FRAME AND SUSPENSIONS
Specification Desc./Quantity
Chassis Tubular and steel sheets. Front suspension Hydraulic telescopic fork with Ø 35 mm stem Rear suspension Single arm with two double-acting hydraulic shock absorbers
and preloading adjustment in 4 positions.
Brakes
BRAKES
Specification
Desc./Quantity
Front brake Ø 260 disc brake (left-hand side of vehicle), with hydraulic con-
trol operated from the right-hand brake lever on the handlebar.
Rear brake Ø 240-mm disc brake with hydraulic control activated by han-
dlebar left-side lever.
Wheels and tyres
WHEELS AND TYRES
Specification
Desc./Quantity
Front wheel alloy rim: 14'' x 3.50
Front tyre Without inner tube: 120/70-14" 55P
Rear wheel alloy rim: 12"x3.50
Rear tyre Without inner tube: 130/70-12" 62P
TYRE PRESSURE
Specification
Desc./Quantity
Front wheel pressure (basic model) Front wheel inflation pressure (basic model): 2.0 bar
Front wheel pressure (model with accessories) Front tyre inflation pressure (model with accessories): 2.3 bar
Rear tyre pressure - rider Rear tyre pressure (rider only): 2.2 bar
Rear tyre pressure (rider and passenger): 2.6 bar
Carburettor
125cc Version
Characteristics X8 125-200
CHAR - 10
Kehin
KEHIN CVEK-30 CARBURETTOR
Specification Desc./Quantity
Depression carburettor CVEK-30
Body stamping CVEK
Stamping 303A
Max. jet 105
Minimum jet 38
Max. air jet 70
Minimum air jet 130
Throttle valve spring 100 ÷ 160 g
Minimum mixture set screw initial opening 2 ± ¼
Tapered pin stamping NDVA
Tapered pin notches position from top Fixed position
Diffuser nozzle Ø 2.8
Starter air jet Ø 1.5 (body)
Starter diffuser nozzle Ø 1.5 (body)
Starter jet 42
Starter device resistance ~ 20 (at 24°)
Diffuser Ø 29
N.B.
* THE IDENTIFICATION LETTER MAY VARY WITH EACH CARBURETTOR UPDATE.
Walbro
CARBURETTOR WALBRO WVF-7R
Specification
Desc./Quantity
Depression type WVF-7R*
Printing on the body 7R1
Max jet printing 100
Max jet 103
Minimum jet 38
Max air jet 60
Minimum air jet 110
Throttle valve spring 100 g
Idle mixture adjustment screw initial opening 2 7/8 ± 1/2
Conical pin printing 653
Conical pin notches position from top 2
Diffuser nozzle Ø 2.7
Starter air jet 200
Starter diffuser jet 130
Starter jet 48
Starter device resistance ~ 40
Venturi diffuser Ø 29 (30.3x27)
N.B.
* THE IDENTIFICATION LETTER MAY VARY WITH EACH CARBURETTOR UPDATE.
200cc Version
Kehin
CARBURETTOR KEIHIN CVEK-30
Specification
Desc./Quantity
Depression carburettor CVEK-30
Body stamping CVEK
Stamping 303A
X8 125-200 Characteristics
CHAR - 11
Specification Desc./Quantity
Max. jet 100
Minimum jet 38
Max. air jet 70
Minimum air jet 115
Throttle valve spring 150 ÷ 250 g
Minimum mixture adjustment screw initial opening 2 ½ ± ¼
Tapered pin stamping NDWA
Tapered pin notches position from top Fixed position
Diffuser nozzle Ø 2.8
Starter air jet Ø 1.5 (body)
Starter diffuser jet Ø 1.2
Starter jet 42
Starter device resistance ~ 20 (at 24°)
Diffuser Ø 29
N.B.
THE IDENTIFICATION LETTER CAN VARY WITH EACH CARBURETTOR UPDATE
Walbro
CARBURETTOR WALBRO WVF-7S
Specification Desc./Quantity
Depression type WVF-7S*
Printing on the body 7S
Max jet printing 118
Max. jet 105
Minimum jet 34
Max. air jet 150
Minimum air jet 31
Throttle valve spring 120 g
Minimum mixture set screw initial opening 3 ± 1/4
Tapered pin stamping 465
Tapered pin notches position from top 3
Diffuser nozzle Ø 2.7
Starter air jet 200
Starter diffuser jet 130
Starter jet 50
Diffuser Ø 29 (30.3x27.0)
N.B.
THE IDENTIFICATION LETTER CAN VARY WITH EACH CARBURETTOR UPDATE
Tightening Torques
REAR BRAKE
Name
Torque in Nm
Rear brake disc screws(°) 5 ÷ 6.5
Rear brake calliper-pipe fitting 20 ÷ 25
Rigid / flexible pipe fitting 13 ÷ 18
Rear brake pump-pipe fitting 16 ÷ 20
Rear brake calliper fixing screws 20 ÷ 25
REAR BRAKE
Product
Description Specifications
(°) Loctite 243 Medium-strength threadlock Apply LOCTITE 243 medium-strength
threadlock
FRONT BRAKE
Name
Torque in Nm
Oil bleed screw 8 ÷ 12
Characteristics X8 125-200
CHAR - 12
Name Torque in Nm
Disc tightening screw (°) 5 ÷ 6.5
Brake fluid tube-calliper fitting 20 ÷ 25
Brake fluid pump-hose fitting 16 ÷ 20
Tightening screw for calliper support to the fork 20 ÷ 25
Screw tightening calliper to the support 42 ÷ 52
REAR SUSPENSION
Name Torque in Nm
Upper shock absorber clamp 33 ÷ 41 Lower shock absorber clamp 33 ÷ 41
Shock absorber-crankcase attachment bracket 20 ÷ 25
Rear wheel axle 104 ÷ 126
Muffler arm clamping screws 27 ÷ 30
FRONT SUSPENSION
Name Torque in Nm
Fork leg screw 6 ÷ 7 Front wheel axle 45 ÷ 50 Fork plate screw 25 ÷ 34
CHASSIS
Name Torque in Nm
Centre stand bolt 25 ÷ 30
Side stand bolt (°) 35 ÷ 40
Engine arm bolt - frame arm 33 ÷ 41
Swinging arm buffer nut 64 ÷ 72
Frame-swinging arm bolt 64 - 72
Engine-swinging arm bolt 64 - 72
CHASSIS
Product
Description Specifications
(°) Loctite 243 Medium-strength threadlock Apply LOCTITE 243 medium-strength
threadlock
STEERING
Name
Torque in Nm
Upper steering ring nut 30 ÷ 33
Steering lower ring nut 10 ÷ 13 then loosen by 90°
Handlebar fixing screw 50 ÷ 55
Fixing screws for the handlebar control unit U-bolts 7 ÷ 10
ENGINE - COOLING
Product
Description Specifications
(°) Loctite 243 Medium-strength threadlock Apply LOCTITE 243 medium-strength
threadlock
CRANKCASE AND CRANKSHAFT
Name
Torque in Nm
Internal engine crankcase bulkhead (transmission-side half
shaft) screws
4 ÷ 6
Engine-crankcase coupling screws 11 ÷ 13
Starter motor screws 11 ÷ 13
Crankcase timing system cover screws (°) 3.5 ÷ 4.5
ENGINE - FLYWHEEL
Name
Torque in Nm
Pick-Up clamping screws 3 ÷ 4
Stator assembly screws (°) 3 ÷ 4
Flywheel cover fixing screws 5 - 6
Flywheel nut (250) 94 ÷ 102
X8 125-200 Characteristics
CHAR - 13
Name Torque in Nm
Screw fixing freewheel to flywheel 13 ÷ 15
ENGINE - TRANSMISSION
Name Torque in Nm
Rear hub cover screws 24 ÷ 27
Driven pulley shaft nut 54 ÷ 60
Transmission cover screws 11 ÷ 13
Drive pulley nut 75 ÷ 83
Clutch unit nut on driven pulley 55 ÷ 60
Belt support roller screw 11 ÷ 13
ENGINE - CYLINDER HEAD
Name Torque in Nm
Manifold-silencer retaining bolt 15 ÷ 20
Nut fixing muffler to cylinder head 16 ÷ 18
Camshaft retention plate screw 4 ÷ 6
Timing chain tensioner central screw 5 ÷ 6 Timing chain tensioner support screw 11 ÷ 13 Start up counterweight support screw 11 ÷ 15
Timing chain tensioner slider screw 10 ÷ 14
Inlet manifold screws 11 ÷ 13
Tappet set screw lock nut 6 ÷ 8
Starter ground screw 7 ÷ 8.5
Head fixing side screws 11 ÷ 12
Nuts fixing head to cylinder (*) 27 ÷ 29
Tappet cover screws 6 ÷ 7
Spark plug 12 ÷ 14
LUBRICATION
Name
Torque in Nm
Hub oil drainage plug 15 ÷ 17
Oil filter on crankcase fitting 27 ÷ 33
Engine oil drainage plug/ mesh filter 24 ÷ 30
Oil filter 4 ÷ 6
Oil pump cover screws 0.7 ÷ 0.9
Screws fixing oil pump to crankcase 5 - 6
Oil pump command crown screw 10 ÷ 14
Oil pump cover plate screws 4 ÷ 6
Oil sump screws 10 ÷ 14
Minimum oil pressure sensor 12 ÷ 14
Overhaul data
Assembly clearances
Characteristics X8 125-200
CHAR - 14
Cylinder - piston assy.
ENGINE 200 COUPLING CATEGORIES
Name
Initials Cylinder Piston Play on fitting
Cylinder / piston A 71.990 ÷ 71.997 71.953 ÷ 71.960 0.030 - 0.044 Cylinder / piston B 71.997 ÷ 72.004 71.960 ÷ 71.967 0.030 - 0.044 Cylinder / piston C 72.004 ÷ 72.011 71.967 ÷ 71.974 0.030 - 0.044 Cylinder / piston D 72.011 ÷ 72.018 71.974 ÷ 71.981 0.030 - 0.044
X8 125-200 Characteristics
CHAR - 15
ENGINE 125 COUPLING CATEGORIES
Name Initials Cylinder Piston Play on fitting
Cylinder A 56.997 ÷ 57.004 56.945 ÷ 56.952 0.045 - 0.059 Cylinder B 57.004 ÷ 57.011 56.952 ÷ 56.959 0.045 - 0.059
Piston C 57.011 ÷ 57.018 56.959 ÷ 56.966 0.045 - 0.059
Piston D 57.018 ÷ 57.025 56.966 ÷ 56.973 0.045 - 0.059 Cylinder 1st Oversize A1 57.197 ÷ 57.204 57.145 ÷ 57.152 0.045 - 0.059 Cylinder 1st Oversize B 1 57.204 ÷ 57.211 57.152 ÷ 57.159 0.045 - 0.059
Piston 1st Oversize C 1 57.211 ÷ 57.218 57.159 ÷ 57.166 0.045 - 0.059
Piston 1st Oversize D 1 57.218 ÷ 57.225 57.166 ÷ 57.173 0.045 - 0.059 Cylinder 2nd Oversize A2 57.397 ÷ 57.404 57.345 ÷ 57.352 0.045 - 0.059 Cylinder 2nd Oversize B 2 57.404 ÷ 57.411 57.352 ÷ 57.359 0.045 - 0.059
Piston 2nd Oversize C 2 57.411 ÷ 57.418 57.359 ÷ 57.366 0.045 - 0.059
Piston 2nd Oversize D 2 57.418 ÷ 57.425 57.366 ÷ 57.373 0.045 - 0.059 Cylinder 3rd Oversize A 3 57.597 ÷ 57.604 57.545 ÷ 57.552 0.045 - 0.059 Cylinder 3rd Oversize B 3 57.604 ÷ 57.611 57.552 ÷ 57.559 0.045 - 0.059
Piston 3rd Oversize C 3 57.611 ÷ 57.618 57.559 ÷ 57.566 0.045 - 0.059 Piston 3rd Oversize D 3 57.618 ÷ 57.625 57.566 ÷ 57.573 0.045 - 0.059
Crankcase - crankshaft - connecting rod
CRANKSHAFT
Titolo Durata/Valore Testo Breve (< 4000 car.) Indirizzo Immagine
Crankshaft Crankshaft to connecting rod
axial clearance
Crankshaft to connecting rod axial clearance
CRANKSHAFT/ CRANKCASE AXIAL CLEARANCE
Name
Description Dimensions Initials Quantity
Half-shaft, transmission
side
16,6 +0-0,05 A D = 0.20 ÷ 0.50
Flywheel-side half shaft 16,6 +0-0,05 B D = 0.20 ÷ 0.50
Connecting rod 18 -0.10 -0.15 C D = 0.20 ÷ 0.50
Spacer tool 51.4 +0.05 E D = 0.20 ÷ 0.50
Characteristics X8 125-200
CHAR - 16
Slot packing system
Characteristic
Compression ratio, 125 models
Cr: 11.50 ÷ 13:1
Measurement «A» to be taken, is a value of piston protrusion. It indicates by how much the plane formed by the piston crown protrudes from the plane formed by the upper part of the cylinder. The further the piston protrudes from the cylinder, the thicker the base gasket to be used (to restore the compression ratio) and vice versa.
N.B.
NO GASKETS AND SEALS SHOULD BE ASSEMBLED BETWEEN THE CRANKCASE AND CYL­INDER AND THE DIAL GAUGE EQUIPPED WITH SUPPORT SHOULD BE SET TO ZERO FOR MEASUREMENT «A» TO BE TAKEN WITH THE PISTON AT TOP DEAD CENTRE POSITION AND ON A RECTIFIED PLANE.
VERSION 125 WITH METAL HEAD GASKET (0.3)
Name
Measure A Thickness
Shimming 125 - Cylinder 67.8 - Head
gasket 0.3 - Base gasket 0.4
1.40 ÷ 1.65 0.4 ± 0.05
Shimming 125 - Cylinder 67.8 - Head
gasket 0.3 - Base gasket 0.6
1.65 ÷ 1.90 0.6 ± 0.05
Characteristic
Compression ratio, 125 models
Cr: 11.50 ÷ 13:1
X8 125-200 Characteristics
CHAR - 17
Measurement «A» to be taken, is a value of piston protrusion. It indicates by how much the plane formed by the piston crown protrudes from the plane formed by the upper part of the cylinder. The further the piston protrudes from the cylinder, the thicker the base gasket to be used (to restore the compression ratio) and vice versa.
N.B.
NO GASKETS AND SEALS SHOULD BE ASSEMBLED BETWEEN THE CRANKCASE AND CYL­INDER AND THE DIAL GAUGE EQUIPPED WITH SUPPORT SHOULD BE SET TO ZERO FOR MEASUREMENT «A» TO BE TAKEN WITH THE PISTON AT TOP DEAD CENTRE POSITION AND ON A RECTIFIED PLANE.
VERSION 125 WITH FIBRE HEAD GASKET (1.1)
Name
Measure A Thickness
Shimming 125 - Cylinder 67 - Head gas-
ket 1.1 - Base gasket 0.4
2.20 ÷ 2.45 0.4 ± 0.05
Shimming 125 - Cylinder 67 - Head gas-
ket 1.1 - Base gasket 0.6
2.45 ÷ 2.70 0.6 ± 0.05
Characteristic
Compression ratio, 200 models
Cr: 11÷12 :1
Characteristics X8 125-200
CHAR - 18
Measurement «A» to be taken, is a value of piston re-entry. It indicates by how much the plane formed by the piston crown descends below the plane formed by the upper part of the cylinder. The further the piston falls inside the cylinder, the less the base gasket to be applied (to recover the compression ratio) and vice versa.
N.B.
NO GASKETS AND SEALS SHOULD BE ASSEMBLED BETWEEN THE CRANKCASE AND CYL­INDER AND THE DIAL GAUGE EQUIPPED WITH SUPPORT SHOULD BE SET TO ZERO FOR MEASUREMENT «A» TO BE TAKEN WITH THE PISTON AT TOP DEAD CENTRE POSITION AND ON A RECTIFIED PLANE.
VERSION 200 WITH METALLIC HEAD GASKET (0.3)
Name
Measure A Thickness
Shimming 200 - Cylinder 67.8 - Head
gasket 0.3 - Base gasket 0.4
2.50 ÷ 2.40 0.4 ± 0.05
Shimming 200 - Cylinder 67.8 - Head
gasket 0.3 - Base gasket 0.6
2.40 ÷ 2.20 0.6 ± 0.05
Shimming 200 - Cylinder 67.8 - Head
gasket 0.3 - Base gasket 0.8
2.20 ÷ 2.10 0.8 ± 0.05
Characteristic
Compression ratio, 200 models
Cr: 11÷12 :1
X8 125-200 Characteristics
CHAR - 19
Measurement «A» to be taken, is a value of piston re-entry. It indicates by how much the plane formed by the piston crown descends below the plane formed by the upper part of the cylinder. The further the piston falls inside the cylinder, the less the base gasket to be applied (to recover the compression ratio) and vice versa.
N.B.
NO GASKETS AND SEALS SHOULD BE ASSEMBLED BETWEEN THE CRANKCASE AND CYL­INDER AND THE DIAL GAUGE EQUIPPED WITH SUPPORT SHOULD BE SET TO ZERO FOR MEASUREMENT «A» TO BE TAKEN WITH THE PISTON AT TOP DEAD CENTRE POSITION AND ON A RECTIFIED PLANE.
VERSION 200 WITH FIBRE HEAD GASKET (1.1)
Name
Measure A Thickness
Shimming 200 - Cylinder 67 - Head gas-
ket 1.1 - Base gasket 0.4
1.70 ÷ 1.60 0.4 ± 0.05
Shimming 200 - Cylinder 67 - Head gas-
ket 1.1 - Base gasket 0.6
1.60 ÷ 1.40 0.6 ± 0.05
Shimming 200 - Cylinder 67 - Head gas-
ket 1.1 - Base gasket 0.8
1.40 ÷ 1.30 0.8 ± 0.05
Characteristics X8 125-200
CHAR - 20
Oversizes
ENGINE 125 OVERSIZE
Name
Description Dimensions Initials Quantity
Compression ring 57 x 1 A 0.15 ÷ 0.30
Oil scraper ring 57 x 1 A 0.10 ÷ 0.30 Oil scraper ring 57 x 2.5 A 0.15 ÷ 0.35
Compression ring 1st
oversize
57.2 x 1 A 0.15 ÷ 0.30
Oil scraper ring 1st
Oversize
57.2 x 1 A 0.10 ÷ 0.30
Oil scraper ring 1st
Oversize
57.2 x 2.5 A 0.15 ÷ 0.35
Compression ring 2nd
Oversize
57.4 x 1 A 0.15 ÷ 0.30
Oil scraper ring 2nd
Oversize
57.4 x 1 A 0.10 ÷ 0.30
Oil scraper ring 2nd
Oversize
57.4 x 2.5 A 0.15 ÷ 0.35
Compression ring 3rd
Oversize
57.6 x 1 A 0.15 ÷ 0.30
Oil scraper ring 3rd
Oversize
57.6 x 1 A
Oil scraper ring 3rd
Oversize
57.6 x 2.5 A 0.15 ÷ 0.35
ENGINE 200 OVERSIZE
Name
Description Dimensions Initials Quantity
Oil scraper ring 72 x 2.5 A 0.20 ÷ 0.40 Oil scraper ring 72 x 1 A 0.20 ÷ 0.40
Compression ring 72 x 1.5 A 0.15 ÷ 0.30
X8 125-200 Characteristics
CHAR - 21
Products
PRODUCTS
Product Description Specifications
AGIP GREASE PV2 Grease for steering bearings and spindle
seats
Soap-based lithium and zinc oxide
grease containing NLGI 2; ISO-L-
XBCIB2 of the swinging arm
MONTBLANC MOLYBDENUM
GREASE
Grease for driven pulley shaft adjusting ring and movable driven pulley housing
Grease with Molybdenum disulphide
AGIP FILTER OIL Oil for air filter sponge Mineral oil with specific additives for in-
creased adhesiveness
AGIP GREASE MU3 Grease for odometer transmission gear
case
Soap-based lithium grease with NLGI 3;
ISO-L-XBCHA3, DIN K3K-20
AGIP CITY HI TEC 4T Engine oil SAE 5W-40 Synthetic oil that exceed the
requirements of API SL, ACEA A3, JASO
MA specifications
AGIP GP 330 Calcium complex soap-based grease
with NLGI 2; ISO-L-XBCIB2
Grease (brake control levers, throttle
grip)
AGIP ROTRA 80W-90 Rear hub oil SAE 80W/90 Oil that exceeds the re-
quirements of API GL3 specifications
SPECIAL AGIP PERMANENT fluid coolant Monoethylene glycol-based antifreeze
fluid, CUNA NC 956-16
Characteristics X8 125-200
CHAR - 22
INDEX OF TOPICS
TOOLING TOOL
APPROPRIATE TOOLS
Stores code Description
020151Y Air heater
020331Y Digital multimeter
020333Y Single battery charger
020334Y Multiple battery charger
001467Y014 Pliers to extract ø 15-mm bearings
Tooling X8 125-200
TOOL - 24
Stores code Description
020412Y 15 mm guide
020335Y Magnetic support for dial gauge
020565Y Flywheel lock calliper spanner
020439Y 17 mm guide
020359Y 42x47-mm Adaptor
X8 125-200 Tooling
TOOL - 25
Stores code Description
020363Y 20 mm guide
020459Y Punch for fitting bearing on steering tube
020458Y Puller for lower bearing on steering tube
005095Y Engine support
008564Y Flywheel extractor
020434Y Oil pressure control fitting
Tooling X8 125-200
TOOL - 26
Stores code Description
020382Y011 adapter for valve removal tool
020424Y Driven pulley roller casing fitting punch
020431Y Valve oil seal extractor
020193Y Oil pressure gauge
020306Y Punch for assembling valve sealing rings
020360Y 52x55-mm Adaptor
X8 125-200 Tooling
TOOL - 27
Stores code Description
020364Y 25-mm guide
020375Y Adaptor 28 x 30 mm
020376Y Adaptor handle
020444Y Tool for fitting/ removing the driven pulley
clutch
020330Y Stroboscopic light to check timing
001467Y035 Belle for OD 47-mm bearings
Tooling X8 125-200
TOOL - 28
Stores code Description
020368Y driving pulley lock wrench
020319Y Immobilizer check tester
020287Y Clamp to assemble piston on cylinder
020263Y Driven pulley assembly sheath
020262Y Crankcase splitting strip
020430Y Pin lock fitting tool
X8 125-200 Tooling
TOOL - 29
Stores code Description
020428Y Piston position check support
020426Y Piston fitting fork
020425Y Punch for flywheel-side oil seal
020423Y Driven pulley lock wrench
020414Y 28-mm guide
020393Y Piston assembly band
Tooling X8 125-200
TOOL - 30
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