Polaris 2007 Sportsman 450 EFI, Service Manual

Page: 51 / 406

2.31
MAINTENANCE
2
Suspension Spring
Preload Adjustment
Operator weight and vehicle loading affect suspension spring
preload requirements. Adjust as necessary, using the spanner
wrench (2) to turn the adjustment cam (1).
Front Suspension
Compress and release front suspension. Damping
should be smooth throughout the range of travel.
Check all front suspension components for wear or damage.
Inspect front strut cartridges for leakage.
CV Shaft Boot Inspection
Inspect the CV shaft boots in the front and rear of the ATV for
damage, tears, wear, or leaking grease. If the rubber boot
exhibits any of these symptoms, replace the boot. Refer to
Chapter 7 for CV boot replacement.
Controls
Check controls for proper operation, positioning and
adjustment.
Brake control and switch must be positioned to allow brake
lever to travel throughout entire range without contacting switch
body.
Align throttle control assembly clamp with knurl on handlebar.
Wheels
Inspect all wheels for runout or damage. Check wheel nuts and
ensure they are tight. Do not over tighten the wheel nuts.
Inspect all wheels for runout or damage. Check wheel nuts and
ensure they are tight. Do not over tighten the wheel nuts.
Shock Spanner Wrench
(PN 2871095)
Center Spring
Adjustment Ring
1
2
Inspect Boots
WARNING
Operating an ATV with worn tires will increase the
possibility of the vehicle skidding and possible loss
of control.
Worn tires can cause an accident.
Always replace tires when the tread depth
measures 1/8” (.3 cm) or less.
Throttle
assembly
clamp
Align clamp
edge with
knurl