Yamaha TZ250M1 Owner's Service Manual page 286

Event name
Date
Weather
Place
Setting specs:
Ignition timing
Spark plug
Carburetor
Main jet
Power jet
Jet needle
Main nozzle
Pilot jet
Pilot air screw
Float height
Gearing
1st
2nd
3rd
4th
5th
6th
Secondary
Front fork
Spring rate
Spring preload
Rebound damping
Compression damping
Top end
Oil capacity
Oil level
Rear shock
Spring fitting length
Spring rate
Rebound damping
Compression damping
Seat height
Front tire (pressure)
Rear tire (pressure)
Fuel consumption
NOTE:
1. Make setting changes in small increments.
2. When the proper settings have been determined for a particular track, they should be written
down for reference upon returning to that track.
3. Always make adjustment in cold state.
SETTING
7-22
TUN