Honda GX240RT2 Service And Repair Manual page 309

SERVICE INFORMATION
TORQUE VALUES
ENGINE TORQUE VALUES
Item
Crankcase cover bolt
Cylinder head bolt
Oil drain bolt
Connecting rod bolt
Rocker arm pivot bolt
Rocker arm pivot adjusting nut
Spark plug
Flywheel nut (iGX240UT2)
Flywheel nut (iGX340UT2)
Fuel tank nut/bolt
Fuel tank joint
Air cleaner elbow nut
Muffler nut
Exhaust pipe nut
Starter motor stud bolt
Fan cover stud bolt
Combination switch nut
Fuel strainer cup
ECM screw/washer
Motor case set screw A/B
Starter motor nut
Jet set screw
LUBRICATION & SEAL POINTS
Location
Crankshaft crankpin and gear
Piston outer surface
Piston pin outer surface
Piston rings
Cylinder inner surface
Connecting rod big and small end bearings
Connecting rod bolt threads and seating surface
Camshaft cam profiles and bearings
Valve lifter stem and slipper
Valve stem sliding surface and stem end
Rocker arm tappet surfaces and pivot
Rocker arm pivot threads and pivot
Flywheel nut threads and seating surface
Cylinder head bolt threads and seating surface
Balancer shaft bearings and gear
Each oil seal lip
Each O-ring
Recoil starter case cutout
Recoil starter ratchet sliding surface
Recoil starter spring retainer inside
Camshaft cam profile
Recoil starter center screw threads
Crankcase cover mating surface
2-4
gx240ut2_gx270ut2_gx340ut2_gx390ut2
Tread Dia. (mm)
M8 x 1.25
M10 x 1.25
M12 x 1.5
M8 x 1.25 (Special bolt)
M8 x 1.25 (Special bolt)
M6 x 0.5
M14 x 1.25
M16 x 1.5 (Special nut)
M16 x 1.5 (Special nut)
M8 x 1.25
M10 x 1.25
M6 x 1.0
M8 x 1.25
M8 x 1.25
M10 x 1.25
M8 x 1.25
M18 x 1.0
M24 x 1.0
M4 x 0.7
M4 x 0.7
M8 x 1.25
M5 x 0.8
Material
Engine oil
Multi-purpose grease
Use molybdenum solution (mixture
of the engine oil and molybdenum
grease with the ratio 100 g grease:
70 cc oil)
Threebond 2430 or equivalent
®
Liquid sealant
(Hondabond HT, Hondabond 4, or
equivalent)
Torque values
N·m kgf·m lbf·ft
24 2.4 17
35 3.5 26
22.5 2.25 17
14 1.4 10
24 2.4 17
10 1.0 7
18 1.8 13
128 13.1 94
170 17.3 125
24 2.4 17
2 0.2 1.5
9 0.9 6.6
24 2.4 17
24 2.4 17
40 4.1 30
23 2.3 17
4.9 0.50 3.6
3.9 0.40 2.9
2.1 0.21 1.5
2.1 0.21 1.5
8.8 0.90 6.5
0.3 0.03 0.22
Remarks
When installing a new cam-
shaft