Diamo 50cc Engine Catalog parts list

50CC DIAMO® ENGINE

PARTS CATALOG

First Edition December 2006

Copyright © 2004-2006 LS MotorSports, LLC. Reproduction without written permission is completely forbidden.

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The information and diagrams included in this catalog are the exclusive property of LS MotorSports, LL

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and may not be reproduced in any media without the express written consent of LS MotorSports, LLC.
For more information contact:

LS MotorSports, LLC
12505 Reed Rd, Suite 145
Sugar Land, TX 77478
281-277-6140

Information contained in this publication is subject to change without notice.

For the most up to date information please contact DIAMO USA or an Authorized Dealer

Copyright © 2004-2006 LS MotorSports, LLC. Reproduction without written permission is completely forbidden.

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CONTENTS

PAGE TITLE

4 Engine
5 Crankcase
6 LFT Crankcase Cover
7 RGT Crankcase Cover
8 Transmission Cover

9 Cylinder Head
10 Cylinder Head Cover
11 Crankcase Components
12 Oil Pump
13 Starter Motor & Rgt Crankcase Cover Hardware
14 Transmission
15 Camshaft & Cylinder Head Gasket
16 Cylinder & Piston
17 Rocker Arm Assy
18 Clutch
19 Cam Chain Tensioner & Valve Cover Hardware
20 LFT Crankcase Cover Hardware
21 Magneto
22 Engine Cover
23 Carburetor and Intake

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Engine Fig. 1

REF # PART # CODE DESCRIPTION QTY

1 06-050-0101 Engine 1

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Crankcase Fig. 2

REF # PART # CODE DESCRIPTION QTY

1 06-050-0201 139QMB.06.01 LFT Crankcase 1

2 06-050-0202 139QMB.06.02 RGT Crankcase 1

3 06-050-0203 152QMI-A101020400 Rear damper 1

4 06-050-0204 152QMI-A101020300 Front damper 2

5 06-050-0205 GB276-94 Bearing 6201 1

6 06-050-0206 GB276-94 Bearing 6203×3-2 1

7 06-050-0207 GB276-94 Bearing 6203 1

8 06-050-0208 139QMB.06-01 Bush 2

9 06-050-0209 139QMB.06-02 Bolt 1
10 06-050-0210 139QMB.03-04 Tensioner Rail, Cam Chain 1
11 06-050-0211 139QMB.03-04 Bolt, Tensioner Lever 1
12 06-050-0212 139QMB.03-03 O Ring 15.5×1.5 1
13 06-050-0213 139QMB.06-03 Stud bolt (long) 2
14 06-050-0214 139QMB.06-06 Stud bolt (short) 2
15 06-050-0215 GB5787-86 Bolt M12×12 1
16 06-050-0216 GB3194-82 Washer12 1
17 06-050-0217 GB5787-86 Washer AM8×12 2
18 06-050-0218 182QMI-A101020011 Bush 2

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LFT Crankcase Cover Fig. 3

REF # PART # CODE DESCRIPTION QTY

1 06-050-0301 139QMB.15.01 LFT Crankcase Cover 1

2 06-050-0302 139QMB.15.02 Washer 1

3 06-050-0303 139QMB.15.03 Spring, Kick Lever 1

4 06-050-0304 139QMB.15.04 Washer 1

5 06-050-0305 139QMB.15.05 Collar 1

6 06-050-0306 139QMB.15.06 Damper 1

7 06-050-0307 GB894.1-86 Washer14 1

8 06-050-0308 139QMB.15.03 Sector Gear 1

9 06-050-0309 139QMB.15.04 Start Lever 1
10 06-050-0310 139QMB.06-04 Surpass Shaft Bush 1
11 06-050-0311 139QMB.15-07 Spring 1
12 06-050-0312 139QMB.15.02 Gear, Kickstart 1
13 06-050-0313 GB5787-86 Bolt M6×22 1

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Right Crankcase Cover Fig. 4

REF # PART # CODE DESCRIPTION QTY

1 06-050-0401 139QMB.10.01-01 RGT Crankcase Cover 1

2 06-050-0402 139QMB.10-04 Dipstick 1

3 06-050-0403 139QMB.10-05 O-Ring 1

4 06-050-0404 139QMB.10.01-02 Cover, Oil Filter Screen 1

5 06-050-0405 139QMB.10.01-03 O-Ring 1

6 06-050-0406 139QMB.10.01-04 Spring, Oil Filter Screen 1

7 06-050-0407 139QMB.10.01.01 Oil Filter Screen 1

8 06-050-0408 139QMB.10.01.02 Oil Seal 1

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Transmission Cover Fig. 5

REF # PART # CODE DESCRIPTION QTY

1 06-050-0501 139QM.06-08 Cover, Transmission 1

2 06-050-0502 152QMI-A101020500 Pin, Brake 1

3 06-050-0503 GB3452.1-82 O-Ring 1

4 06-050-0504 GB8187-86 Nut 1

5 06-050-0505 GB276-94 Bearing 6201 1

6 06-050-0506 GB276-94 Bearing 6004-2RS 1

7 06-050-0507 GB9877.1-88 Oil Seal 27×42×7 1

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Cylinder Head Fig. 6

REF # PART # CODE DESCRIPTION QTY

1 06-050-0601 139QMB.02.04.01 Cylinder Head 1

2 06-050-0602 GB899-88 Stud Bolt M6×26, Intake 2

3 06-050-0603 GB899-88 Stud Bolt M6×63 2

4 06-050-0604 GB899-88 Stud Bolt M6×32, Exhaust 2

5 06-050-0605 A7T Spark Plug 1

6 06-050-0606 152QMI-A114010200 Oil Seal 2

7 06-050-0607 139QMB.02.04.02 Valve, Intake 1

8 06-050-0608 139QMB.02.04.01 Valve, Exhaust 1

9 06-050-0609 139QMB.02.04.03 Outer Spring, Valve 2
10 06-050-0610 139QMB.02.04.04 Inner Spring, Valve 2
11 06-050-0611 152QMI-A114010004 Cotter, Valve 4
12 06-050-0612 152QMI-A114010008 Seat, Valve Spring 2
13 06-050-0613 152QMI-A114010005 Retainer, Valve Spring 2

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Cylinder Head Cover Fig. 7

A

REF # PART # CODE DESCRIPTION QTY

1 06-050-0701 139QMB.02.01-01 Cover, Cylinder Head 1

2 06-050-0702 139QMB.02-06 Gasket, Cylinder Head Cover 1

3 06-050-0703 139QMB.02.01-02 Tube, Cylinder Head Cover Vent 1

4NA

5NA

6NA

7NA

8NA

9NA
10 NA
11 NA
12 N

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Crankcase Components Fig. 8

REF # PART # CODE DESCRIPTION QTY

1 NA - See Fig 2

2 06-050-0802 139QMB.01-05 Dowel Pin 2

3 06-050-0803 139QMB.06-05 Gasket, L&R Crankcase 1

4 06-050-0804 139QMB.05-02 Crankshaft Assy 1

5 06-050-0805 GB5787-86 Bolt M6×45 1

6 06-050-0806 139QMB.03.03 Chain, Camshaft 1

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Oil Pump Fig 9

REF # PART # CODE DESCRIPTION QTY

7 06-050-0901 139QMB.04.02 oil pump assy 1

8 06-050-0902 139QMB.04.01 Dowel Pin 1

9 06-050-0903 139QMB.04-02 O-Ring 2
10 06-050-0904 GB5787-86 Bolt 1
11 06-050-0905 GB5787-86 Bolt 2

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Starter Motor & Rgt Crankcase Cover Hardware Fig. 10

REF # PART # CODE DESCRIPTION QTY

1 06-050-1001 139QMB.04.01 Gear, Oil Pump 1

2 06-050-1002 GB6177-86 Nut M6 1

3 06-050-1003 139QMB.10-01 Bolt M6 4

4 06-050-1004 139QMB.10-02 Bolt M6x85 4

5 06-050-1005 139QMB.10-03 Gasket, RGT Crankcase Cover 1

6 06-050-1006 139QMB.01-05 Dowel Pin 2

7 06-050-1007 139QMB.10.01 NA - See Fig 4 1

8 06-050-1008 139QMB.17.01 Starter Motor 1

9 06-050-1009 GB5787-86 Bolt 2

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Transmission Fig. 11

REF # PART # CODE DESCRIPTION QTY

1 06-050-1101 139QMB.12-02 Drive Axle 1

2 06-050-1102 139QMB.12-03 Gasket 1

3 06-050-1103 139QMB.12-04 Final Drive Axle 1

4 06-050-1104 139QMB.12-05 Counter Gear Set 1

5 06-050-1105 139QMB.12.01 Final Drive Gear 1

6 NA - See Fig. 5 1

7 06-050-1107 139QMB.06-09 Gasket, Transmission Cover 1

8 06-050-1108 139QMB.06-10 Dowel Pin 1

9 06-050-1109 GB5787-86 Bolt 2
10 06-050-1110 GB5787-86 Bolt 2

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Camshaft & Cylinder Head Gasket Fig. 12

REF # PART # CODE DESCRIPTION QTY

1 06-050-1201 139QMB.01-05 Dowel Pin

2 06-050-1202 139QMB.03.02 Cam Chain Guide

3 06-050-1203 139QMB.02-02 Gasket, Cylinder Head

4 NA - See Fig 6

5 06-050-1205 139QMB.01.01 Camshaft

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Cylinder & Piston Fig. 13

REF # PART # CODE DESCRIPTION QTY

1 06-050-1301 139QMB.06-07 Oil seal 1

2 06-050-1302 GB9877.1-88 Oil seal 1

3 06-050-1303 139QMB.03-01 Gasket, Cylinder Base 1

4 06-050-1304 139QMB.01-05 Dowel Pin 2

5 06-050-1305 139QMB.03-01 Cylinder Block 1

6 06-050-1306 139QMB.05-02 Piston 1

7 06-050-1307 139QMB.05-03(04) Piston Ring 1 1

8 06-050-1308 139QMB.05-03(04) Piston Ring 2 1

9 06-050-1309 139QMB.05.01 Piston Ring 3 1
9A 06-050-1309A Piston Ring Set 1
10 06-036-1310 139QMB.05-06 Circlip,Piston Pin 2
11 06-036-1311 139QMB.06-08 Piston pin 1

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Rocker Arm Assy Fig. 14

REF # PART # CODE DESCRIPTION QTY

1 06-050-1401 139QMB.01-05 Dowel pin 8×14 2

2 06-050-1402 139QMB.01-01 Rocker Arm Assy 1

3 06-050-1403 139QMB.01-03 Washer 4

4 06-050-1404 139QMB.01-04 Nut M7 4

5 06-050-1405 GB5787-86 Bolt M6×85 2

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Clutch Fig. 15

REF # PART # CODE DESCRIPTION QTY

1 06-050-1501 139QMB.17.02 Starter Clutch 1

2 06-050-1502 139QMB.09-01 Fan 1

3 06-050-1503 139QMB.09-02 Retainer, Fan 1

4 06-050-1504 139QMB.09-03 Gear, Starter 1

5 06-050-1505 139QMB.09.01 Variator Assy 1

6 06-050-1506 139QMB.11.01 Drive Belt 1

7 06-050-1507 139QMB.11.02 Clutch Housing 1

8 06-050-1508 139QMB.11.03 Clutch Driven Assy 1

9 06-050-1509 139QMB.05-08 NutM12×1.25 1
10 06-050-1510 139QMB.12-01 NutM10×1.25 1

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Cam Chain Tensioner & Valve Cover Hardware Fig. 16

REF # PART # CODE DESCRIPTION

1 06-050-1601 139QMB.03.05 Tensioner, Cam Chain

2 06-050-1602 139QMB.03-02 Gasket, Tensioner

3 06-050-1603 GB5787-86 Bolt M6×16

4 06-050-1604 139QMB.02-11 NutM6×12

5 06-050-1605 GB5787-86 Bolt M6×25

6 NA - See Fig. 7

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Left Crankcase Cover Hardware Fig. 17

REF # PART # CODE DESCRIPTION QTY

1 NA - See Fig. 3 1

2 06-050-1702 139QMB.15-08 Collar 1

3 06-050-1703 139QMB.15-09 Gasket, LFT Crankcase 1

4 06-050-1704 139QMB.15.01 Guide Clip 1

5 06-050-1705 139QMB.01-05 Dowel pin 2

6 06-050-1706 GB5787-86 Bolt M6×35 8

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Magneto Fig. 18

REF # PART # CODE DESCRIPTION QTY

1 06-050-1801 139QMB.07.01.01 Flywheel, Magneto 1

2 06-050-1802 139QMB.07.01.02 Winding Stator 1

3 06-050-1803 139QMB.16.04 Fan 1

4 06-050-1804 GB5787-86 Bolt M6×16 2

5 06-050-1805 GB5787-86 Bolt M6×18 4

6 06-050-1806 GB5780-86 Flange bolt M5×12 2

7 06-050-1807 139QMB.05-01 Nut M10×1.25 1

8 06-050-1808 139QMB.05-07 Woodruff key 1

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Engine Cover Fig. 19

REF # PART # CODE DESCRIPTION QTY

1 06-050-1901 139QMB.16-01 Seal 1

2 06-050-1902 139QMB.16-02 Bolt 2

3 06-050-1903 139QMB.16.01 Front Cover 1

4 06-050-1904 139QMB.16.02 Rear Cover 2

5 06-050-1905 139QMB.16.03 Fan Cover 1

6 06-050-1906 GB5787-86 Bolt M6×16 2

7 06-050-1907 GB5787-86 Bolt M6×32 1

8 06-050-1908 GB5787-86 Bolt M6×25 3

9 06-050-1909 139QMB.18-01 Brake Camshaft 1
10 06-050-1910 139QMB.18.01 Brake Arm 1
11 06-050-1911 139QMB.18.02 O-Ring 2

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Carburetor and Intake Fig. 20

REF # PART # CODE DESCRIPTION QTY

1 06-050-2001 139QMB.02.05 Intake Manifold 1

2 06-050-2002 139QMB.02.06 Clamp 1

3 06-050-2003 GB6177-86 Nut M6 2

4 06-050-2004 139QMB.02-08 O-Ring 1

5 06-050-2005 139QMB.02-09 Insulator, Intake 1

6 06-050-2006 PT18J Carburetor 1

7 NA - See Specfic Unit 1

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