Engine Speed Limiter Plate - Yamaha YFM90RA Owner's Manual

Engine speed limiter plate

With this plate installed, the engine speed is limited
to 4800 r/min. With this plate removed, top engine
speed (8000 r/min) is available.
Remove the plate as follows.
1. Remove the seat. (See page 4-11.)
2. Loosen the screws.
3. Pull the plate out of its case.
4. Tighten the screw.
5. Install the seat.
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1
1. Speed limiter plate
2. Screws
TIP
Store the speed limiter plate with the owner's manual
so that it is readily available whenever you want to
reduce the top engine speed.
4-5
4