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SERVICE INFORMATION HRX217HYA • HRX217HZA
5. TORQUE VALUES
Use standard torque values for fasteners that are not listed above.
(CT) Indicates a self-tapping bolt.
SPECIAL FASTENERS
THREAD DIAMETER x
PITCH mm (in)
TORQUE
N•m kg-m ft-lb
Engine mounting bolt (5/16-24 x 2-3/8 in) 19.6 ~ 23.6 2.0 ~ 2.4 14.5 ~ 17.4
Rope guide 6 x 1.0 6.6 ~ 10.8 0.7 ~ 1.1 4.9 ~ 8.0
Blade bolt 10 x 20 Special 49 ~ 59 5.0 ~ 6.0 36 ~ 43
Blade holder bolt 10 x 24 Special 49 ~ 59 5.0 ~ 6.0 36 ~ 43
Crankcase cover bolt M8 x 1.25 24 2.4 18
Cylinder bolt M8 x 1.25 24 2.4 18
Spark plug M14 x 1.25 20 2 15
Connecting rod bolt M7 x 1.0 12 1.2 9
Valve adjusting lock nut M5 x 1.0 8 0.8 5.9
Valve lifter bolt M6 x 1.0 10 1.0 7
Oil extension bolt M6 x 1.0 12 1.2 9
Governor holder shaft bolt M6 x 1.0 12 1.2 9
Fuel cock screw M5 x 0.8 5 0.5 3.7
Air cleaner case nut M6 x 1.0 8.5 0.9 6.3
Recoil starter bolt M6 x 1.0 8.5 0.9 6.3
Flywheel nut M14 x 1.5 75 7.5 55
Engine stop switch screw M4 x 0.7 1.8 0.2 1.3
Engine cover spring nut screw M5 x 0.8 1 0.1 0.7
Shutter bolt 6 x 1.0 Special 9.8 1.0 7.2
Starter motor mounting bolts
(HZA type only)
6 x 1.0 11 1.1 8.1
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