Fluid Checks; Break-In Procedure - Yamaha MM700A Manual

This chapter covers all the regular maintenance re-
quired to keep a snowmobile in top shape. Regular main-
tenance is the best guarantee of a trouble-free,
long-lasting vehicle. Because sno\vmobiles are high-per-
tune-ups have become increasingly important as in main-
taining a high level of perfomance, extending engine life
and extracting the maximm economy of operation.
If doing the lubrication, maintenance and tane-ups at
common sense. Always remember tkdt engine damage
can result from improper tuning and adjustment. In addi-
tion, where special tools or equipment are called for dur-
ing a pafiieular maintenance or adjustment procedure,
make sure to use that tool or refer service to a qualified
dealership or repair shop.
Maintenance intervals are listed in Tables 1-3. Recom-
mended lubricants and fuels are listed in Table 4. Tables
1-18 are at the end of this chapter.
FRE-RIDE CHECKS
Check the machine before each ride. Refer to Chapter
One.
Chapter Three
Check vital fluids daily or before each ride to ensure
proper operation and prevent excessive component dam-
age. Refer to Table 1.
rings) and major lower end work, perform an engine
break-in procedure as if it were new. The perfomdnce and
service life of the engine depends greatly on a careful and
sensible break-in.
For the first 10- 15 hours of operation, use no more than
3/4 throttle and vary the speed as much as possible. Avoid
prolonged steady running at one speed, no matter how
moderate. Also avoid hard acceleration and wet snow
conditions during break-in.
To ensure adequate protection to the engine during
break-in, pre-mix the first tank of he1 at a 50: 1 ratio with
the same oil used in the injection system. Yamalube 2-ey-
cle Oil or equivalent is recommended. Throughout the
break-in period, check the oil injection reservoir tank to

FLUID CHECKS