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www.CurrieTech.com
OM Chain Drive Scooters - 2012.indd
Modied 05/25/2012
Currie Technologies
®
Currie Technologies
®
watching the chain. Be sure that the rear wheel is turning smoothly
and the chain does not try to run off the rear sprocket in either direc-
tion.
7. Test the brake adjustment to be sure it is operating properly and make
any necessary adjustments.
500CD, 650CD, 750CD AND 900CD
SERIES SCOOTERS
Adjusting the chain tension is performed
by moving the motor back and forth within
the motor plate.
1. Loosen the three 5mm Allen bolts
that hold the motor and motor
guard to the motor plate. (Ref Pho-
tos A, B, C)
2. Twist the motor (counter-clockwise
to tighten the chain, clockwise to
loosen the chain) to adjust the
chain. Please note that a slight ro-
tation of the motor will dramatically
effect the chain tension.
3. When proper chain tension of
5-6mm (about 1/4”) of up and down
movement is achieved tighten the
three 5mm motor bolts.
Do not ride the
scooter in order to check the chain
adjustment. It is far easier and safer to
check the chain adjustment as described
above. If the chain does run off the rear
sprocket during the test, then further
adjustments are necessary.
NOTE ON CHAIN LUBRICATION: To
help maintain both the performance and
longevity of the chain, be sure to lubri-
cate it at least once a month using any
quality bicycle chain lube. While lubricat-
ing the chain take time to inspect it for
any damage and for proper chain tension.
WARNING
!
Photo A
Photo B
Photo C
CHAIN ADJUSTMENT
The chain can stretch during use or may occasionally come out of adjust-
ment. Regular attention to proper chain tension and lubrication will minimize
the risk of the chain falling off the rear sprocket and help your scooter main-
tain optimum performance.
Properly adjusted, the chain should have 5-6mm (1/4”) of up-and-down travel
or slack.
Currie
Technologies
®
strongly recommends that any chain
tension adjustment be performed by a
trained scooter or bicycle mechanic.
300, 4.0 AND 400
SERIES SCOOTERS
Adjusting the chain tension is per-
formed by moving the rear wheel back
and forth in the frame.
1. Loosen the rear axle nuts us-
ing a 15mm wrench but do not
remove. (Ref. Photo A)
2. Loosen the band brake arm
fixing bolt, using a 5mm hex
key wrench and an 8mm box
wrench, but do not remove.
(Ref Photo B).
3. Adjust the belt tensioners (Ref
Photo C) on both sides of the
frame equally to keep the rear
wheel properly centered in the
frame and so that the chain has
5-6mm (about 1/4”) of up and
down movement.
4. Tighten the brake arm fixing
bolt.
5. Tighten both axle nuts.
6. Test the chain adjustment by
rotating the rear wheel forward
by hand a few revolutions while
Photo A
Photo B
Photo C
WARNING
!
(19 pages)
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