Cobra 2009 ECX50, Owner'S Manual

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The best way to prevent glazing is by not gearing too high, changing the oil as
specified and by not blipping the throttle. Every time you blip the throttle, you
are working your clutch springs.
CAUTION:
The clutch produces a tremendous amount of heat and when a rider is blipping
the throttle. This makes the clutch and clutch springs wear out quicker. This also
makes your engine tend to run hotter which decreases engine power and
degrades ignition stator efficiency. It is important to train your rider
NOT to be a
throttle 'blipper' .
CAUTION:
Sludge build-up between the spring washers also keeps the clutch shoe from
engaging fully and this will cause the clutch to start to slip. So you will need to
clean the sludge out or just replace the spring washers and bolts with new ones.
How quickly this sludge builds up depends on how often you
change your oil
and whether your rider is a throttle ‘blipper’.
REF # PART NO. DESCRIPTION
1 ECMU0118 Crank seal
2 ECMU0040 Clutch to hub spacer (standard 0.030” 0.76mm)
ECMU0040T Clutch to hub spacer (thin, 0.015” 0.38mm)
3 ECMU0119 Brass bearing
4 ECMU0120 Clutch basket with bearing
5 CAMU0005 Clutch Complete w/ Arbor
6 ECMU0018 Clutch nut
CCMU0029 Clutch arbor
Figure 33, Clutch Assembly Drawing