Yamaha BR250F - Bends, Cracks, and Wear; Abnormal Noise; Loose Connection and Breaks in the Fuel and Pulse Pipes; Loose Connection and Breaks in the Oil Pipes

MAINTENANCE
Periodic Maintenance
Perform the various inspections and
services at the indicated intervals; however use this schedule as
a guide only. Depending upon the operating conditions, certain components may require more
fre-
quent servici ng.
Every
Check point
20 hrs. or
40 hrs. or 80 hrs.
or
When
Seasonally
400 km
800 km 1,600 km
necessary
(250 mil (500 mil
(1,000 mil
ENGINE:
Tighteness of bolts and nuts
0
Bends, cracks, and wear
Abnormal noise
0
Loose connection and breaks in the fuel and pulse pipes
Loose
connection and breaks in the oil pipes
0
Loose connection and breaks in the oil delivery pipe
0
Recoil starter
Carburetor
• Operation of starter jet
0
• Mixing adjuster (pilot screw)
0
• Idle speed adjustment
Operation and adjustment of oil pump
Cylinder compression
0
Cylinder/exhaust pipe decarbonize
~
Spark plug condition, gap, and cleaning
0
Tightening of the cylinder**
DRIVE:
Tightness of bolts and nuts
Wear on slide runners
Primary drive system
V-belt
0
Secondary drive system
0
Sheave distance
0
Sheave offset
0
Brake pad wear
0
Brake operation and adjustment
0
Guide wheel rubber
0
Wear of track drive sprockets
0
Initial
100 km
Drive track adjustment
(60mi} &
300 km
(200 mil
Breaks in drive track
0
Bends in front and rear axles
0
Check lock washers
0
Drive chain adjustment
0
Drive chain oil level
0
** Retighten every 10 hours from the first use.
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