Service manual

FUEL/ CARBURATOR
CARBURETOR OPERATION
NOTE: It is strongly recommended that Carbon Clean be
added regularly as directed to the fuel systems. Carbon
Clean stabilizes the fuel, preventing clogging of the small
passages and orifices common to Youth ATV
carburetors, and ensures constant performance, reliability
and easier starting.
HIGH ALTITUDE OPERATION
The 2005 Phoenix has been tested to 12,000 ft above
sea level to assure satisfactory performance. No jetting or
clutching changes are required for high altitude operation.
NOTE: If desired, removing one CVT roller weight from
each tower of the drive clutch and fine--tuning the
carburetor with optional jetting may provide a slight
improvement in high altitude performance, but generally
is not needed.
CARBURETOR JETTING
IMPORTANT: The following guidelines must be followed
when establishing a main jet setting:
1. Select the lowest anticipated temperature at which the
machine will be operated.
2. Determine the lowest approximate altitude at which the
machine will be operated.
3. Select the correct main jet according to the engines
fuel/performance requirements.
A main jet that is too small will cause a lean
operating condition resulting in serious engine
damage. Select the correct main jet carefully for
elevation and temperature according to the charts in
the Specifications section or in the Owner’s Safety
and Maintenance Manual for each particular model.
6.4