BRP Lynx 49 Ranger PRO 600R E-TEC, Operator'S Manual, Page: 246 / 368

244
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W WA AR RN NIIN NG G
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ttiio on na all ssp pe ee ed d..
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sscch he ed du ulle ess..
The drive pulley is factory calibrated to transmit maximum engine
power at a predefined RPM. Factors such as ambient temperature, al-
titude or surface condition may vary this critical engine RPM thus af-
fecting snowmobile efficiency.
This adjustable drive pulley allows setting maximum engine RPM to
maintain maximum power.
Ramp cams should be adjusted so that actual maximum engine RPM
matches the maximum horsepower RPM. Refer to
Technical Specifi-
cations (Engine) .
N NO OT TE E::
Use a precision digital tachometer for engine RPM adjustment.
There are 5 positions in which the ramp cam can be set.
Each position modifies the maximum engine RPM by about 200 RPM.
Lower position numbers decrease engine RPM in steps of 200 RPM
and higher position numbers increase it in steps of 200 RPM.
P Prro occe ed du urre e
1. Refer to
Equipment
in
Vehicle Information
and remove:
– LH side panel
– Drive pulley guard
MAINTENANCE PROCEDURES