This quick reference guide will assist
you in locating a desired topic or procedure.
•Bend the pages back to match the
black tab of the desired chapter number with the black tab on the edge at
each table of contents page.
•Refer to the sectional table of contents
for the exact pages to locate the specific topic required.
Crankshaft/Transmission9j
Wheels/Tires10j
Final Drive11j
Brakes12j
Suspension13j
Steering14j
Frame15j
Electrical System16j
Appendix17j
VULCAN 1600 CLASSIC
VN1600 CLASSIC
Motorcycle
ServiceManual
All r ights reserved. No parts of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic mechanical photocopying, recording or otherwise,
without the prior written permission of Quality Assurance Department/Consumer Products & Machinery
Company/Kawasaki Heavy Industries, Ltd., Japan.
No liability can be accepted for any inaccuracies or omissions in this publication, although every possible
care has been taken to make it as complete and accurate as possible.
The right is reserved to make changes at any time without prior notice and without incurring an obligation
to make such changes to products manufactured previously. See your Motorcycle dealer for the latest
information on product improvements incorporated after this publication.
All information contained in this publication is based on the latest product information available at the time
of publication. Illustrations and photographs in this publication are intended for reference use only and may
not depict actual model component parts.
To protect the environment in which we all live, Kawasaki has incorporated crankcase emission (1) and exhaust emission (2) control systems in compliance with applicable regulations of
the United States Environmental Protection Agency and California Air Resources Board. Additionally, Kawasaki has incorporated an evaporative emission control system (3) in compliance
with applicable regulations of the California Air Resources Board on vehicles sold in California
only.
1. Crankcase Emission Control System
This system eliminates the release of crankcase vapors into the atmosphere. Instead, the vapors
are routed through an oil separator to the inlet side of the engine. While the engine is operating,
the vapors are drawn into combustion chamber, where they are burned along with the fuel and air
supplied by the fuel injection system.
2. Exhaust Emission Control System
This system reduces the amount of pollutants discharged into the atmosphere by the exhaust
of this motorcycle. The fuel, ignition, and exhaust systems of this motorcycle have been carefully
designed and constructed to ensure an efficient engine with low exhaust pollutant levels.
The exhaust system of this model motorcycle manufactured primarily for sale in California in-
cludes a catalytic converter system.
3. Evaporative Emission Control System
Vapors caused by fuel evaporation in the fuel system are not vented into the atmosphere. In-
stead, fuel vapors are routed into the running engine to be burned, or stored in a canister when
the engine is stopped. Liquid fuel is caught by a vapor separator and returned to the fuel tank.
The Clean Air Act, which is the Federal law covering motor vehicle pollution, contains what is
commonly referred to as the Act’s " tampering provisions."
"Sec. 203(a) The following acts and the causing thereof are prohibited...
(3)(A) for any person to remove or render inoperative any device or element of design installed
on or in a motor vehicle or motor vehicle engine in compliance with regulations under this
title prior to its sale and delivery to the ultimate purchaser, or for any manufacturer or dealer
knowingly to remove or render inoperative any such device or element of design after such
sale and delivery to the ultimate purchaser.
(3)(B) for any person engaged in the business of repairing, servicing, selling, leasing, or trading
motor vehicles or motor vehicle engines, or who operates a f leet of m otor vehicles knowingly to remove or render inoperative any device or element of design installed on or in a
motor vehicle or motor vehicle engine in compliance with regulations under this title following its sale and delivery to the ultimate purchaser..."
NOTE
The phrase "remove or render inoperative any device or element of design" has been generally
○
interpreted a s follows :
1. Tampering does not include the temporary removal or rendering inoperative of devices or elements of design in o rder to perform maintenance.
2. Tampering could include:
a.Maladjustment of vehicle components such that the emission standards are ex-
ceeded.
b.Use of replacement parts or accessories which adversely affect the performance
or durability of the motorcycle.
c.Addition of components or accessories that result in the vehicle exceeding the stan-
dards.
d.Permanently removing, disconnecting, or rendering inoperative any component or
element of design of the emission control systems.
WE RECOMMEND THAT ALL DEALERS OBSERVE THESE PROVISIONS OF FEDERAL LAW,
THEVIOLATIONOFWHICHISPUNISHABLEBYCIVILPENALTIESNOTEXCEEDING
$10,000 PER VIOLATION.
TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED
Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering
inoperative by any person other than for purposes of maintenance, repair, or replacement, of any
device or element of design incorporated into any new vehicle for the purpose of noise control
prior to its sale or delivery to the ultimate purchaser or while it is in use, or (2) the use of the
vehicle after such device or element of design has been removed or rendered inoperative by
any person.
Among those acts presumed to constitute tampering are the acts listed below:
Replacement of the original exhaust system or muffler with a component not in compliance
•
with Federal regulations.
Removal of the muffler(s) or any internal portion of the muffler(s).
•
Removal of the air box or air box cover.
•
Modifications to the muffler(s) or air inlet system by cutting, drilling, or other means if such
•
modifications result in increased noise levels.
Foreword
This manual is designed primarily for use by
trained mechanics in a properly equipped shop.
However, it contains enough detail and basic information to make it useful to the owner who desires to perform his own basic maintenance and
repair work. A basic knowledge of mechanics,
the proper use of tools, and workshop procedures must be understood in order to carry out
maintenance and repair satisfactorily. Whenever the owner has insufficient experience or
doubts his ability to do the work, all adjustments, maintenance, and repair should be carried out only by qualified mechanics.
In order to perform the work efficiently and
to avoid costly mistakes, read the text, thoroughly familiarize yourself with the procedures
before starting work, and then do the work carefully in a clean area. Whenever special tools or
equipment are specified, do not use makeshift
tools or equipment. Precision measurements
can only be made if the proper instruments are
used, and the use of substitute tools may adversely affect safe operation.
For the duration of the warranty period,
we recommend that all repairs and scheduled
maintenance be performed in accordance with
this service manual. Any owner maintenance or
repair procedure not performed in accordance
with this manual may void the warranty.
To get the longest life out of your vehicle:
Follow the Periodic M aintenance Chart in the
•
Service Manual.
Be alert for problems and non-scheduled
•
maintenance.
Use proper tools and genuine Kawasaki Mo-
•
torcycle parts.Special tools, gauges, and
testers that are necessary when servicing
Kawasaki motorcycles are introduced by the
Special Tool Catalog or Manual.Genuine
parts provided as spare parts are listed in the
Parts Catalog.
Follow the procedures in this manual care-
•
fully. Don’t take shortcuts.
Remember to keep complete records of main-
•
tenance and repair with dates and any new
parts installed.
How to Use This Manual
In preparing this manual, we divided the product into its major systems. These systems became the manual’s chapters. All information
for a particular system from adjustment through
disassembly and inspection is located in a single chapter.
The Quick Reference Guide shows you all
of the product’s system and assists in locating
their chapters. Each chapter in turn has its own
comprehensive Table of Contents.
The Periodic Maintenance Chart is located in
the Periodic Maintenance chapter. The chart
gives a time schedule for required maintenance
operations.
If you want spark plug information, for example, go to the Periodic Maintenance Chart first.
The chart tells you how frequently to clean and
gap the plug. Next, use the Quick Reference
Guide to locate the Periodic Maintenance chapter. Then, use the Table of Contents on the first
page of the chapter to find the Spark Plug section.
Whenever you see these WARNING and
CAUTION symbols, heed their instructions!
Always follow safe operating and maintenance
practices.
WARNING
This warning symbol identifies special
instructions or procedures which, if not
correctly followed, could result in per-
sonal injury, or loss of life.
CAUTION
This caution sym bol identifies special
instructions or procedures which, if not
strictly observed, could result in dam-
age to or destruction of equipment.
This m anual contains four more symbols (in
addition to WARNING and CAUTION) which will
help you distinguish different types of information.
NOTE
This note symbol indicates points of par-
○
ticular interest for more efficient and convenient operation.
Indicates a procedural step or work to be
•
done.
Indicates a procedural sub-step or how to do
○
the work of the procedural step it follows. It
also precedes the text of a NOTE.
Indicates a conditional step or what action to
take based on the results of the test or inspection in the procedural step or sub-step it fol-
lows.
In most chapters an exploded view illustration
of the system components follows the Table of
Contents. In these illustrations you will find the
instructions indicating which parts require specified tightening torque, oil, grease or a locking
agent during assembly.
GENERAL INFORMATION 1-1
General Information
Table of Contents
Before Servicing .....................................................................................................................1-2
Model Identification.................................................................................................................1-7
General Specifications............................................................................................................1-9
Unit Conversion Table ............................................................................................................1-11
1
1-2 GENERAL INFORMATION
Before Servicing
Before starting to perform an inspection service or carry out a disassembly and reassembly operation on a motorcycle, read the precautions given below. To facilitate actual operations, notes, illustrations, photographs, cautions, and detailed descriptions have been included in each chapter wherever
necessary. This section explains the items that require particular attention during the removal and
reinstallation or disassembly and reassembly of general parts.
Especially note the following:
Battery Ground
Before completing any service on the motorcycle, disconnect the battery wires from the battery to prevent the engine
from accidentally turning over. Disconnect the ground wire
(–) first and then the positive (+). When completed with the
service, first connect the positive (+) wire to the positive (+)
terminal of the battery then the negative (–) wire to the negative terminal.
Edges of Parts
Lift large or heavy parts wearing gloves to prevent injury
from possible sharp edges on the parts.
Solvent
Use a high flush point solvent w hen cleaning parts. High
flush point solvent should be used according to directions
of the solvent manufacturer.
Cleaning vehicle before disassembly
Clean the vehicle thoroughly before disassembly. Dirt or
other foreign materials entering into sealed areas during vehicle disassembly can cause excessive wear and decrease
performance of the vehicle.
Before Servicing
Arrangement and Cleaning of Removed Parts
Disassembled parts are easy to confuse. Arrange the
parts according to the order the parts were disassembled
and clean the parts in order prior to assembly.
Storage of Removed Parts
After all the parts including subassembly parts have been
cleaned, store the parts in a clean area. Put a clean cloth
or plastic sheet over the parts to protect from any foreign
materials that may collect before re-assembly.
GENERAL INFORMATION 1-3
Inspection
Reuse of worn or damaged parts may lead to serious accident. Visually inspect removed parts for corrosion, discoloration, or other damage. Refer to the appropriate sections
of this manual for service limits on individual parts. Replace
the parts if any damage has been found or if the part is beyond its service limit.
Replacement Parts
Replacement Parts must be KAWASAKI genuine or
recommended by KAWASAKI. Gaskets, O-rings, Oil seals,
Grease seals, circlips or cotter pins must be replaced with
new ones whenever disassembled.
Assembly Order
In most cases assembly order is the reverse of disassembly, however, if assembly order is provided in this Service
Manual, follow the procedures given.
1-4 GENERAL INFORMATION
Before Servicing
Tightening Sequence
Bolts, nuts, or screws must be tightened according to the
specified sequence to prevent case warpage or deformation
which can lead to malfunction. If the specified tightening
sequence is not indicated, tighten the fasteners alternating
diagonally.
Tightening Torque
Incorrect torque applied to a bolt, nut, or screw may
lead to serious damage. Tighten fasteners to the specified
torque using a good quality torque wrench.
Often, the tightening sequence is followed twice-initial
tightening and final tightening with torque wrench.
Force
Use common sense during disassembly and assembly,
excessive force can cause expensive or hard to repair damage. When necessary, remove screws that have a non
-permanent locking agent applied using an impact driver.
Use a plastic-faced mallet whenever tapping is necessary.
Gasket, O-ring
Hardening, shrinkage, or damage of both gaskets
and O-rings after disassembly can reduce sealing performance.Remove old gaskets and clean the sealing
surfaces thoroughly so that no gasket material or other
material remains. Install new gaskets and replace used
O-rings when re-assembling
Liquid Gasket, Locking Agent
For applications that require Liquid Gasket or a Locking
agent, clean the surfaces so that no oil residue remains before applying liquid gasket or locking agent. Do not apply
them excessively. Excessive application can clog oil passages and cause serious damage.
Before Servicing
Press
For items such as bearings or oil seals that must be
pressed into place, apply small amount of oil to the contact area. Be sure to maintain proper alignment and use
smooth movements when installing.
Ball Bearing and Needle Bearing
Do not remove pressed ball or needle unless removal is
absolutely necessary. Replace with new ones whenever
removed. Press bearings with the manufacturer and size
marks facing out. Press the bearing into place by putting
pressure on the correct bearing race as shown.
Pressing the incorrect race can cause pressure between
the inner and outer race and result in bearing damage.
GENERAL INFORMATION 1-5
Oil Seal, Grease Seal
Do not remove pressed oil or grease seals unless r emoval
is necessary. Replace with new ones whenever removed.
Press new oil seals with manufacture and size marks facing
out. Make sure the seal is aligned properly when installing.
Circlips, Cotter Pins
Replace circlips or cotter pins that were removed with new
ones. Install the circlip with its sharp edge facing outward
and its chamfered side facing inward to prevent the clip from
being pushed out of its groove when loaded. Take care
not to open the clip excessively when installing to prevent
deformation.
Lubrication
It is important to lubricate rotating or sliding parts during
assembly to minimize wear during initial operation. Lubrication points are called out throughout this manual, apply
the specific oil or grease as specified.
1-6 GENERAL INFORMATION
Before Servicing
Direction of Engine Rotation
When rotating the crankshaft by hand, the free play
amount of rotating direction will affect the adjustment. Rotate the crankshaft to positive direction (clockwise viewed
from output side).
Electrical Wires
A two-color wire is identified first by the primary color and
then the stripe color. Unless instructed otherwise, electrical
wires must be connected to those of the same color.
Model Identification
VN1600-A1 (US, and Canada) Left Side View:
GENERAL INFORMATION 1-7
VN1600-A1 (US, and Canada) Right Side View:
1-8 GENERAL INFORMATION
Model Identification
VN1600-A1 (Europe) Left Side View:
VN1600-A1 (Europe) Right Side View:
GENERAL INFORMATION 1-9
General Specifications
ItemsVN1600-A1 ∼
Dimensions:
Overall length2 505 mm (98.62 in.)
Overall width1 040 mm (40.9 in.), (AU) 990 m m (39 in.)
Overall height1 130 mm (44.5 in.)
Wheelbase
Road clearance130 mm (5.12 in.)
Seat height680 mm (26.8 in.)
Dry mass306 kg (675 lb), (AU) 307 kg (677 lb)
Curb mass:
Fuel tank capacity
FuelUnleaded and high-octane gasoline
Performance:
Minimum turning radius
Engine:
Type
Cooling systemLiquid-cooled
Bore and stroke
Displacement1 552 mL (94.70 cu in.)
Compression ratio
Maximum horsepower49 kW (67 PS) @ 4 700 r/min (rpm), (CA) (CAL) (US) –
Maximum torque
Carburetion systemDFI (Digital Fuel Injection) System
Starting systemElectric starter
Ignition system
Timing advanceElectronically advanced (digital)
Ignition timing
Spark plugsNGK DPR6EA-9 or ND X20EPR-U9
Cylinder numbering methodFront to Rear, 1-2
Firing order1-2
V alve timing:
InletOpen22° BTDC
ExhaustOpen66° BBDC
Lubrication systemForced lubrication (wet sump)
Engine oil:TypeAPI SE, SF or SG class
Front
Rear181 kg (399 lb), (AU) 182 kg (401 lb)
Close66° ABDC
Duration268°
Close26° ATDC
Duration272°
ViscositySAE10W-40
Capacity3.5 L (3.7US qt, when engine is completely disassembled
The scheduled maintenance must be done in accordance with this chart to keep the motorcycle in
good running condition.The initial maintenance is vitally important and must not be neglected.
FREQUENCY Whichever1 000 km* OD OMETER
comes(600 mile)
first6 000 km
→(4 000 mile)
↓12 000 km
(7 500 mile)
18 000 km
(12 000 mile)
24 000 km
(15 000 mile)
30 000 km
(20 000 mile)
OPERATIONEverySee Page
Spark plug (e) - clean and gap †
Air suction valve (e) - inspect †
Air cleaner element (e) - clean†#
Throttle control system (e) - inspect †
Idle speed (e) - inspect †
Fuel hoses, connections - inspect †
Engine oil - change #year
Oil filter - replace
Evaporative emission control system (e)
(CAL) - inspect †
••• •• •
••• •• •
•••
• ••• •• •
••••
••• •• •
••••
••••
• ••• •• •
READING
36 000 km
(24 000 mile)
2–35
2–20
2–16
2–14
2–15
2–14
2–24
2–26
2–17
Final gear case oil level - inspect †
Final gear case oil - change
Propeller shaft joint - lubricate
Brake pad wear - inspect † #
Brake light switch - inspect †
Steering - inspect †
Rear shock absorber oil leak - inspect †
Front fork oil leak - inspect †
Tire wear - inspect †
Swingarm pivot - lubricate
General lubrication - perform
Nut, bolt, and fastener tightness - inspect †
Brake/clutch hoses, connections - inspect †
Brake/clutch fluid level - inspect †
Coolant hoses, connections - inspect †
Brake/clutch fluid - change2 years
month
•••
••
••
••• •• •
• ••• •• •
• ••• •• •
•••
•••
••• •• •
••
•••
••••
••• •• •
• ••• •• •
•
•
2–28
2–28
2–29
2–29
2–32
2–34
2–33
2–33
2–27
2–33
2–36
2–37
2–21, 2–29
2–21, 2–29
2–18
2–22, 2–30
PERIODIC MAINTENANCE 2-3
Periodic Maintenance Chart
FREQUENCY Whichever1 000 km* ODO METER
comes
first6 000 km
→
↓12 000 km
OPERATIONEverySee Page
Brake/clutch master cylinder cup and dust
seal - replace
4 years2–23, 2–32
(600 mile)
(4 000 mile)
(7 500 mile)
18 000 km
(12 000 mile)
24 000 km
(15 000 mile)
30 000 km
(20 000 mile)
READING
36 000 km
(24 000 mile)
Coolant - change
Caliper piston seal and dust seal - replace4 years2–32
Steering stem bearing - lubricate2 years
Clutch slave cylinder piston seal - replace4 years2–24
# : Service more freque
frequent starting/stopping.
* : For higher odometer readings, repeat at the frequency interval established here.
† : Replace, add, adjust,
Throttle control system inspection: Inspection of throttle grip play and throttle bore cleanliness.
(CAL): California
(e): Emission Related Items
ntly when operating in severe conditions; dusty, wet, muddy, high speed or
clean, or torque if necessary.
2 years
•
•
2–28
2–34
2-4 PERIODIC MAINTENANCE
Torque and Locki ng Agent
The following tables list the tightening torque
for the major fasteners requiring use of a non
-permanent locking agent or liquid gasket.
Letters used in the “Remarks” column mean:
L: Apply a non-permanent locking agent to
the threads.
G: Apply grease to the threads.
MO: Apply molybdenum disulfide grease oil
solution.
O: Apply oil to the threads and seating sur-
face.
S: Tighten the fasteners following the speci-
fied sequence.
SS: Apply silicone sealant.
Si: Apply silicone grease (ex. PBC grease).
R: Replacement parts
Lh: Left-hand-threads
St: Stake the fasteners to prevent loosening.
AL: Tighten the two clamp bolts alternately
two times to ensure even tightening
torque.
The table below, relating tightening torque to
thread diameter, lists the basic torque for the
bolts and nuts. Use this table for only the bolts
and nuts which do not require a specific torque
value. All of the values are for use with dry
solvent-cleaned threads.