Yamaha RS90RK, Service Manual

Page: 751 / 841

9-20
SPEC
TIGHTENING TORQUE
TIGHTENING TORQUE
ENGINE
Parts to be tightened
Tightening torque
Remarks
Nm m · kg ft · lb
Spark plug 13 1.3 9.4
Cylinder head bolt (M10
×
1.25) See NOTE.
*1
Cylinder head bolt 12 1.2 8.7
Camshaft cap and cylinder head 10 1.0 7.2 Apply the engine oil.
Cylinder head cover 12 1.2 8.7
Camshaft and camshaft sprocket 24 2.4 17
Timing chain tensioner 10 1.0 7.2
Timing chain tensioner cap 7 0.7 5.1
Timing chain guide (exhaust and intake) 10 1.0 7.2 Apply LOCTITE
®
Cylinder head water jacket 10 1.0 7.2
Thermostat housing cover 10 1.0 7.2
Coolant temperature sensor 23 2.3 17
Hose band 2 0.2 1.4
Water pump 12 1.2 8.7
Coolant reservoir tank 10 1.0 7.2
Carburetor coolant shut-off assembly 5 0.5 3.6
Bleed bolt (cooling system) 13 1.3 9.4
Oil cooler 10 1.0 7.2 Apply LOCTITE
®
Engine mounting adjust bolt 7 0.7 5.1
Engine mounting nut 65 6.5 47
Engine mounting bracket 25 2.5 18
Oil pan 10 1.0 7.2
Oil pan drain bolt 10 1.0 7.2
Oil filter cartridge 17 1.7 12
Oil pump 12 1.2 8.7
Oil pump drive chain guide 10 1.0 7.2
Oil pump housing cover 3 0.3 2.2
Oil pump driven gear 15 1.5 11
Oil tank drain bolt 16 1.6 11
Oil tank and frame (bolt) 10 1.0 7.2
Oil tank and frame (nut) 19 1.9 14
Oil gallery bolt 20 2.0 14
Oil cooler outlet pipe 10 1.0 7.2
Check valve 10 1.0 7.2
Exhaust pipe joint 25 2.5 18
Muffler band 20 2.0 14
Exhaust pipe 25 2.5 18
Exhaust pipe joint band 9 0.9 6.5
Muffler 16 1.6 11
Muffler cover 11 1.1 8
Muffler cover plate 11 1.1 8
Muffler side cover 7 0.7 5.1
Exhaust pipe joint cover 6 0.6 4.3
Crankcase (M9
×
1.25) See NOTE.
*2
Apply the engine oil.
Crankcase (M8
×
1.25) 24 2.4 17 Apply the engine oil.
Crankcase (M6
×
1.0) 12 1.2 8.7 Apply the engine oil.