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Te nsion ing the Dr i ve Be lt
(1 .2 -4. 2E)
Tools Required:
• Phillips Screwdriver
• 11mm, 13mm, 15mm, 17mm, 19mm Socket and Combination Wrenches
• 5mm Allen Wrench
• Crank Puller
Procedure:
1. Remove crank disk and side covers. (Reference Crank Disk/Side Cover/Crank Arm Replacement
-1.2E & 2.2E or 3.2E & 4.2E on pp.)
2. Check the tension of the drive belt.
3. Loosen both nuts (A), which hold the flywheel to frame.
F i g u r e 3
A
TENSION BOLT
FLYWHEEL
4. Tighten or loosen the nuts (B) holding the tensioning bolts into position on both sides of the flywheel
to adjust the tension of the drive belt.
Make sure that both bolts are tightened equally so that flywheel sits straight in frame and
both the fly wheel and crank pulley are properly aligned.
5. Once the belt tension is set properly, tighten the nuts (A) on both sides of the flywheel.
The correct belt tension tolerance is 120-140 lbs. If a belt tension gauge is not
available, the drive belt should have about 0.25" deflection when pressing down
firmly on the drive belt.
TENSION BOLT
B
Figure 4
A
B
TENSION BOLT
FLYWHEEL
B
TENSION BOLT
A
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