Valve Clearance; Brakes; Checking The Front Brake Shoes - E-TON Viper 90R Owner's Manual

The throttle cable free play should measure 1.0–
3.0 mm (0.04–0.12 in) at the throttle lever. Period-
ically check the throttle cable free play and, if nec-
essary, have an E-TON dealer adjust it.
1. Throttle lever free play
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Valve clearance

The valve clearance changes with use, resulting in
improper air-fuel mixture and/or engine noise. To
prevent this from occurring, the valve clearance
must be adjusted by an E-TON dealer at the inter-
vals specified in the periodic maintenance and lu-
brication chart.

Brakes

Replacement of brake components requires
professional knowledge. Brake service should be
performed by an E-TON dealer.
WARNING
Operating with improperly serviced or adjusted
brakes could lead to a loss in braking ability
and an accident.

Checking the front brake shoes

The front brake shoes must be checked for wear at
the intervals specified in the periodic maintenance
and lubrication chart. Front brake is provided with a
wear indicator on front brake lever, which allows you
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