Machine Identification; Terms; Storage; Pre-Season Preparation - Yamaha BR250F Service Manual

1-2. MACHINE IDENTIFICATION 1-3. TERMS
A. Frame Serial Number
The frame serial number is located on the
right-hand side of frame (just below the front
of seat). The first three digits identify the
model. This is followed by a dash. The
remaining digits identify the production
number of the unit.
Grease:
Unless other specified, use a low-tempera-
ture lithium base grease when instructed to
grease a part or component.
Thread-locking compound:
Use Loctite® Lock N' Seal (blue), unless
other wise specified, when applying a
thread-locking compound to securing hard-
ware.
Oil:
Use Yamalube 2 to oil components unless
another oil is specified.
If a snowmobile will not be used for several
months, it should be stored in a proper place
so that both the engine and the track are not
damaged.
1. Completely drain the fuel tank, and dis-
connect the fuel line from the carbure-
tor.
2. With the engine running at idle, squirt oil
into the carburetor until the engine dies.
This will distribute oil evenly throughout
the engine and protect it against rust.
3. Disassemble the suspension, clean and
grease all parts, and reassemble the
suspension.
4. Lightly coat all shafts and axles with
grease.
5. Oil all fittings and wire controls with a
Iightly oiled cloth.
6. Loosen the track.
7. Block the chassis so that the track is off
the floor.
8. Protect the snowmobile with a covering.
1-4. STORAGE
1-5. PRE-SEASON PREPARATION
8R4-000101
Starting frame serial number
B.
Engine Serial Number
The engine serial number is located on the fan
case. The prefix indicates the engine type and
displacement. The prefix is followed by a
dash and the serial number. Normally both
the frame and engine serial numbers are
identical.
Starting engine serial number
R246-000101
Perform the predelivery service as described
in the predelivery check list before operating
any snowmobile that has been stored for
several months.
1-2