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Table of Contents
Related Manuals for Yamaha VMX12 93
Summary of Contents for Yamaha VMX12 93
- Page 3 VMX12 ’86 SERVICE MANUAL: 2EN-ME1 VMX12 ’91 SUPPLEMENTARY SERVICE MANUAL: 2EN-AE1 VMX12 ’93 SUPPLEMENTARY SERVICE MANUAL 1992 by Yamaha Motor Co., Ltd. 1st Edition, November 1992 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Co., Ltd.
- Page 4 NOTICE This manual was written by Yamaha Motor Company Ltd. primarily for use by Yamaha dealers and qualified mechanics. It is not possible to put an entire mechanic’s education into one manual, so per- sons using this book to perform maintenance and repairs on Yamaha motorcycles should have a basic understanding of the mechanical concepts and procedures inherent in motorcycle repair technology.
- Page 5 HOW TO USE THIS MANUAL CONSTRUCTION OF THIS MANUAL This manual consists of chapters for the main categories of subjects. (See “Illustrated symbols”) 1st title 1 : This is a chapter with its symbol on the upper right of each page. 2nd title 2 : This title appears on the upper of each page on the left of the chapter symbol.
- Page 6 ILLUSTRATED SYMBOLS (Refer to the illustration) SPEC INFO Illustrated symbols 1 to 9 are designed as thumb tabs to indicate the chapter’s number and content. INSP 1 General information 2 Specifications 3 Periodic inspection and adjustment 4 Engine 5 Cooling system 6 Carburetion COOL CARB...
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Page 7: Table Of Contents
CONTENTS GENERAL INFORMATION ........MOTORCYCLE IDENTIFICATION . -
Page 9: General Information Motorcycle Identification
MOTORCYCLE IDENTIFICATION INFO GENERAL INFORMATION MOTORCYCLE IDENTIFICATION VEHICLE IDENTIFICATION NUMBER (For E) The vehicle identification number 1 is stamped into the steering head pipe. Starting serial number: JYA2ENS0-PA041101 NOTE: The vehicle identification number is used to identify your motorcycle and may be used to register your motorcycle with the licensing au- thority in your state. -
Page 10: Special Tool
SPECIAL TOOLS INFO SPECIAL TOOLS Refer to the list provided to avoid errors when placing an order. The proper special tools are necessary for com- P/N. YM-jjjjj, YU-jjjjj For USA, plete and accurate tune-up and assembly. Us- YS-jjjjj, YK-jjjjj Califo- ing the correct special tool will help prevent mia, damage caused by the use of improper tools or... -
Page 11: Specifications
SPEC GENERAL SPECIFICATIONS SPECIFICATIONS GENERAL SPECIFICATIONS Model VMX12 Model code number: 3LR8 (F) (I) (B) (PRT) (GB) 3LR9 (E) Engine starting number: 2EN-031101 (F) (I) (B) (PRT) (GB) 2EN-041101 (E) Frame starting number: 2EN-031101 (F) (I) (B) (PRT) (GB) Vehicle identification number: JYA2ENS0 PA041101 (E) Minimum turning radius:... -
Page 12: Maintenance Specifications
619 cm (21.8 lmp oz, 20.9 US oz) Oil level 123 mm (4.8 in) Oil grade Yamaha fork oil 10wt or equivalent Enclosed air pressure (standard) 39.2 kPa (0.4 kg/cm , 5.7 psi) <Min. X Max.> <39.2 X 98.1 kPa (0.4 X 1.0 kg/cm , 5.7 X 14.2 psi)>... -
Page 13: Electrical
SPEC MAINTENANCE SPECIFICATIONS ELECTRICAL Model VMX12 T.C.I.: 81 X 121 Ω at 20_C (68_F) (Black – Orange) Pickup coil resistance (color) T.C.I. Unit-model/Manufacturer BB7224/HITACHI –5–... -
Page 14: Chassis
CHAS FRONT AND REAR BRAKE CHASSIS FRONT AND REAR BRAKE Air bleed screw Pad spring Retaining pin Caliper assembly Dust seal Brake disc Piston seal E The arrow mark on the pad Piston spring must point in the disc ro- Brake pad tating direction. -
Page 15: Front Fork
A FORK OIL (EACH): B CAPACITY: 619 cm (21.8 lmp oz, 20.9 US oz) C GRADE: Yamaha Fork Oil 10wt or equivalent STD. AIR PRESSURE: 23 Nm (2.3 mSkg, 17 ftSlb) 39.2 kPa (0.4 kg / cm , 5.7 psi) MIN. -
Page 16: Removal
CHAS FRONT FORK REMOVAL WARNING Securely support the motorcycle so there is no danger of it falling over. 1. Place the motorcycle on a level place. 2. Elevate the front wheel by placing suitable stand under the engine. 3. Remove: S Caliper assembly 1 S Brake hose holder 2 4. -
Page 17: Disassembly
CHAS FRONT FORK 9. Loosen: S Pinch bolt 1 (handle crown) S Cap bolt 2 S Pinch bolts 3 (under bracket) WARNING Support the fork before loosening the pinch bolts. DISASSEMBLY 1. Remove: S Cap bolt 1 S Spacer 2 S Spring seat 3 S Spring 4 2. -
Page 18: Inspection
CHAS FRONT FORK Removal steps: F Hold the fork leg holizontally. F Clamp the caliper mounting boss of the outer tube securely in a vise with soft jaws. F Pull out the inner fork tube from the outer tube by forcefully, but carefully, with drawing the inner tube. -
Page 19: Assembly
CHAS FRONT FORK 3. Inspect: S Damper rod Wear/Damage ! Replace. Contamination ! Blow out all oil passages with compressed air. 4. Inspect: S Oil lock piece S O-ring (cap bolt) Wear/Damage ! Replace. ASSEMBLY Reverse the “DISASSEMBLY” procedure. Note the following points. NOTE: S In front fork reassembly, be sure to use follow- ing new parts. - Page 20 CHAS FRONT FORK 2. Lubricate: S Inner fork tube (outer surface) Recommended lubricant: Fork oil 10w or equivalent 3. Install: S Piston metal 1 S Oil lock piece 2 4. Tighten: S Bolt (damper rod) Bolt (damper rod): 62 Nm (6.2 mSkg, 45 ftSlb) LOCTITE NOTE: Tighten the bolt (damper rod) while holding the...
- Page 21 CHAS FRONT FORK 6. Install: S Retaining clip 1 NOTE: Fit the retaining clip correctly in the groove in the outer tube. 7. Install: S Dust seal 1 Use the fork seal driver weight. Fork seal driver weight: YM-33963 90890-01367 8.
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Page 22: Installation
CHAS FRONT FORK INSTALLATION Reverse the “REMOVAL” procedure. Note the following points. 1. Install: S Front fork(s) Temporary tighten the pinch bolts. NOTE: Be sure the inner fork tube end is flush with the top of the handle crown. 2. Tighten S Pinch bolts 1 (under bracket) S Cap bolt 2 (front fork) S Pinch bolt 3 (handle crown) - Page 23 CHAS FRONT FORK 6. Install: S Caliper assembly 1 S Brake hose holder 2 S Speedometer cable 3 Bolt (caliper bracket): 35 Nm (3.5 mSkg, 25 ftSlb) WARNING Make sure that the brake hose are routed properly. –15–...