Specifications

INSPECTION NOTE:

There must be in / out play in installed clutch, 0.4mm to 1.0 mm

(0.015” to 0.040”).

This should be adjusted with the ECMU0040T and ECMU0040

shims

Excess in/out will cause early crank seal failure.

A blue clutch drum is worn out from excessive slippage or improper

lubrication.

2. Clean the threads of the stack bolt and the clutch with brake cleaner

removing all old thread locking material.

3. Assemble the stacks and shoes on the arbor using high strength thread lock

material to the stack bolt and tighten to 12 ft-lb (16 N-m).

CAUTION:

Avoid allowing excess thread lock material to contact the spring washers and the

clutch or the clutch is likely to malfunction.

4. Clean the threads of the crank shaft and the clutch nut.

5. Install the clutch arbor on the crank. Making sure that the backing spacer in

place on the crank.

6. Apply high strength thread locking agent to the threads and install the clutch

nut and torque to 40 ft-lb (54Nm).

7. Install the clutch cover tightening the bolts from inside out. (8 or 10 mm

socket, 5.8 ft-lb, 7.8 Nm).

NOTE: To ensure proper engagement of the kick gear with the starter nut,

tighten the six screws only to the point of being not extremely loose. Using one

hand rotate the kick lever to ½ stroke and hold while tightening the six screws

completely with the other hand.

8. Fill with oil (235 ml (8.0 oz) Cobra 3 Shoe Clutch Milk (Part # MCMUGF32).

Ignition

Stator care

Stator failure could result from running the bike hot. Following is a list of things

that will make your engine run hot.

1. The timing should not exceed the maximum specifications listed.

2. Improper carburetor jetting.

3. Improper spark plug heat range. Never run a hotter plug than the specified

spark plug.

4. Clutch slippage. See “CLUTCH” section for causes of slippage.