JIMS Twin Cam 120, 131, 135 User Manual
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JIMS ENGINE INFO SHEET
SECTION 1
CONTACT INFORMATION
Customer # ____________________ Business Name ______________________________
First Name __________________________________________________________________
Last Name __________________________________________________________________
Phone # ____________________ Ext __________
Address _____________________________________________________________________
City ________________________________ State ____________ Zip _________________
Warranty Card_______________________________________________________________
SECTION 2
MOTORCYCLE INFORMATION
Motorcycle Model / Year ______________________________________________________
Engine Serial Number ____________________________________________________
Clutch _________________________________ Tire Size ____________________________
Actual Mileage __________________________ Mileage on Engine ___________________
Exhaust System _________________________ Air Cleaner __________________________
Ignition Setting _________________________
Rev Limiter set @ ________________________
Electronic Fuel Injection ______________________________________________________
Throttle Body_______________________________________________________________
Modifications (if any):
Different Cams __________________
4.
Cylinder Head replace if more than:
• Valve guide, press fit in head .002
• Valve seat, press fit in head .002
• Head warpage .006
5. Cylinder, replace if more than:
• Taper .002
• Out of round .002
• Warpage at gasket surfaces .006
6. Piston replace if more than:
• Fit in cylinder .006
• Piston pin fit (wrist pin) .0012
• Compression rings .030
• Oil control rings .070
• Ring side clearance compression rings .004
• Ring side clearance oil control rings .008
7. Connecting rod, replace if more than:
• Piston pin fit (wrist pin) .0012
• Side play between flywheels (female rod end play) .024
• Fit on crank pin (up and down play) .002
8. Flywheel runout not to exceed:
• .005 in truing stand
• End play ( F/W in left bearing).006
• Inspect shaft bearing journals for scoring, galling or wear, not to exceed
• .0005 runout in a truing stand.
9. Oil Pressure at 2000 rpm with an oil temperature of 230
〫F. Should be 25 to 35 PSI,
using the correct oil viscosity for the ambient temperature engine will be operat-
ing in.
10. Counter balance components: replace if more than:
• Balance chain guides (front & rear) .060 to .070
• Balance chain guides (lower) .060 to .070
• Inspect other balancer components using H-D service manual