Adjustments for Competition 97
Adjustments for Competition
This section tells you how to fine tune your CRF
for maximum competition performance.
Initial suspension adjustments should be
performed after a minimum of two hours of easy
break-in time.
Optional front and rear suspension springs are
available in both firmer and softer than standard
rates, in order to tailor your CRF specifically for
your weight, riding style and course conditions.
Follow the instructions given in the rear
suspension sag setting section of Rear
Suspension Adjustments to determine if your
combined rider and sprung machine weight (rider
fully dressed for competition and machine
coolant, oil and fuel levels ready for competition)
requires an optional firmer or softer rear spring.
The need for either optional rear spring may need
to be balanced by installing the optional fork
springs of a similar rate.
Front Suspension Adjustments...........................98
Front Suspension Air Pressure......................98
Front Suspension Damping ..........................98
Fork Springs..................................................99
Front Suspension Disassembly.....................99
Damper Oil Change ....................................102
Fork Assembly ............................................105
Rear Suspension Adjustments ..........................111
Rear Suspension Spring Pre-Load ..............111
Rear Suspension Damping..........................112
Rear Suspension Race Sag..........................113
Suspension Adjustments for Track Conditions
................................................................115
Suspension Adjustment Guidelines..................116
Carburetor Adjustments & Tuning Tips...........119
Carburetor Components..............................119
Carburetor Circuit Functions ......................121
Carburetor Removal....................................121
Carburetor Disassembly..............................123
Carburetor Assembly ..................................125
Standard Tuning Recommendations...........126
Adjustments for Altitude & Temperature ...126
Special Tuning Conditions..........................127
Pre-Adjustment Checks ..............................127
Carburetor Minor Adjustments...................128
Spark plug Reading ....................................130
Chassis Adjustments.........................................131
Rear End .....................................................131
Fork Height/Angle ......................................131
Wheelbase...................................................131
Gearing .............................................................132
Tire Selection for Track Conditions.................133
Personal Fit Adjustments .................................134
Control Positioning.....................................134
Handlebar Position, Width & Shape...........134
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