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For technical questions, please call 1-800-444-3353.
SKU 65414
tecHnical speciFications
item description
Initial Specifica
-
tion in mm
Wear limit
in mm
Piston Skirt External Diameter
67.985
67.845
Clearance between Piston and Cylinder Wall
0.015-0.05
0.12
Piston Pin Hole Internal Diameter
18.002
18.048
Piston Pin External Diameter
18.0
17.954
Gap between Piston Pin and its Hole
0.002-0.014
0.06
Clearance between Piston Ring and Cylinder Wall
0.015-0.045
0.15
Air Ring Width
1.5
1.37
Oil Ring Width
2.5
2.37
Air Ring Ends Gap
0.2-0.4
1.0
Oil Ring Ends Gap
0.15-0.35
1.1
Internal Diameter, Tie Rod Big End
30.02
30.066
Internal Diameter, Tie Rod Small End
18.002
18.07
Big Head Gap, Tie Rod
0.04-0.063
0.12
Big Head Side Gap, Tie Rod
0.1-0.7
1.1
Diameter Gap, Intake Valve Tappet
0.15
± 0.02
Diameter Gap, Exhaust Valve Tappet
0.20
± 0.02
Diameter, Intake Valve Stem
5.48
5.318
Diameter, Exhaust Valve Stem
5.44
5.275
Internal Diameter, Intake Valve Pipe
5.5
5.572
Gap between Intake Valve and Guide Pipe hole
0.02-0.044
0.10
Gap between Exhaust Valve and Guide Pipe hole
0.06-0.087
0.12
Spark Plug Gap
0.030”
n/a
note:
These manufacturer specification tables are provided for reference only. All en
-
gine repairs must be undertaken by a qualified service technician only.
valve timing settings
Intake Open
ATDC 10°
Intake Closed
ABTC 20°
Exhaust Open
BBTC 30°
Exhaust Closed
BTDC 10°
important bolt torques
Cylinder Head Bolts
24
Crankcase Cover Bolts
24
Tie Rod Bolts
12
Fly Wheel Bolts
78 - 80
