Power Train; Engine - Yamaha RS90K Manuel D'atelier

FRONT SUSPENSION ................................... 3-18
HANDLING NOTES .................................. 3-20
INSPECTION ............................................ 3-20
INSTALLATION ........................................ 3-21
CHAPTER 4.

POWER TRAIN

PRIMARY SHEAVE AND DRIVE V-BELT ....... 4-1
REMOVAL .................................................. 4-3
DISASSEMBLY........................................... 4-3
INSPECTION .............................................. 4-4
ASSEMBLY................................................. 4-6
INSTALLATION .......................................... 4-9
SECONDARY SHEAVE ................................. 4-10
DISASSEMBLY......................................... 4-12
INSPECTION ............................................ 4-12
ASSEMBLY............................................... 4-13
INSTALLATION ........................................ 4-15
DRIVE CHAIN HOUSING ............................... 4-16
WITHOUT REVERSE MODEL ................. 4-16
REMOVAL ................................................ 4-18
INSPECTION ............................................ 4-18
INSTALLATION ........................................ 4-20
WITH REVERSE MODEL......................... 4-21
REMOVAL ................................................ 4-24
INSPECTION ............................................ 4-24
INSTALLATION ........................................ 4-25
SECONDARY SHAFT .................................... 4-27
REMOVAL ................................................ 4-28
INSPECTION ............................................ 4-29
INSTALLATION ........................................ 4-29
SECONDARY SHAFT AND DRIVE
CHAIN HOUSING INSTALLATION .......... 4-32
BRAKE ........................................................... 4-34
BRAKE PAD REPLACEMENT ................. 4-35
BRAKE CALIPER DISASSEMBLY ........... 4-38
BRAKE CALIPER INSPECTION
AND REPAIR ............................................ 4-38
BRAKE CALIPER ASSEMBLY ................. 4-39
BRAKE CALIPER INSTALLATION........... 4-39
INSPECTION ............................................ 4-41
BRAKE MASTER CYLINDER
ASSEMBLY............................................... 4-41
INSTALLATION ........................................ 4-41
SLIDE RAIL SUSPENSION............................ 4-42
RS90/RS90R............................................. 4-42
RSG90 ...................................................... 4-48
RS90M ...................................................... 4-53
RST90 ....................................................... 4-59
RST90TF................................................... 4-65
REMOVAL................................................. 4-72
INSPECTION ............................................ 4-72
ASSEMBLY............................................... 4-73
INSTALLATION......................................... 4-75
FRONT AXLE AND TRACK ........................... 4-78
INSPECTION ............................................ 4-79
INSTALLATION......................................... 4-79
CHAPTER 5.

ENGINE

SEAT AND FUEL TANK................................... 5-1
RS90/RS90R/RSG90/RS90M..................... 5-1
BACKREST AND PASSENGER SEAT ........... 5-2
RST90/RST90TF ........................................ 5-2
RIDER SEAT AND FUEL TANK ...................... 5-3
RST90/RST90TF ........................................ 5-3
REMOVAL................................................... 5-4
INSTALLATION........................................... 5-4
OIL TANK ......................................................... 5-5
ENGINE ASSEMBLY ....................................... 5-6
HOSE AND LEADS..................................... 5-6
ENGINE ASSEMBLY .................................. 5-8
REMOVAL................................................... 5-9
INSTALLATION........................................... 5-9
EXHAUST PIPE AND MUFFLER ................... 5-11
INSTALLATION......................................... 5-12
CAMSHAFTS.................................................. 5-14
CYLINDER HEAD COVER ....................... 5-14
CAMSHAFTS ............................................ 5-15
REMOVAL................................................. 5-16
INSPECTION ............................................ 5-17
INSTALLATION......................................... 5-20
CYLINDER HEAD........................................... 5-24
REMOVAL................................................. 5-25
INSPECTION ............................................ 5-25
INSTALLATION......................................... 5-26
VALVES AND VALVE SPRINGS ................... 5-28
REMOVAL................................................. 5-29
INSPECTION ............................................ 5-30
INSTALLATION......................................... 5-34