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Yamaha TT-R90E User Manual

Yamaha TT-R90E
340 pages
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4 - 16
ENG
VALVES AND VALVE SPRINGS
VALVES AND VALVE SPRINGS
Extent of removal: 1 Valves removal
Extent of removal Order Part name Qty Remarks
VALVES AND VALVE SPRINGS
REMOVAL
Preparation for removal Cylinder head Refer to CYLINDER HEAD section.
Rocker arm and camshaft Refer to CAMSHAFT AND ROCKER
ARMS section.
1 Valve cotter 4 Use special tool.
Refer to REMOVAL POINTS.
2 Spring retainer 2
3 Valve spring 2
4 Intake valve 1
5 Exhaust valve 1
6 Valve stem seal 2
1

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Yamaha TT-R90E Specifications

General IconGeneral
Displacement89 cc
Ignition SystemCDI
Final DriveChain
StarterElectric
Engine TypeSOHC, air-cooled, 4-stroke
Bore x Stroke47.0 mm x 48.0 mm
Transmission5-speed
Front Suspensiontelescopic fork
Rear SuspensionSwingarm
Front BrakeDrum brake
Rear BrakeDrum brake
Wet Weight161 lb
Curb Weight143 lbs
Fuel SystemMikuni VM13 carburetor

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