2005 Ski-Doo Racing Handbook, Page 144Get this manual

SECTION 05ENGINE PREPARATION
CHECKING AND SELECTING THROTTLE VALVE

Jet Needle
PRINCIPLES OF OPERATION

Fuel flow

2.5 3.0 Fuel flow 2

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives