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2-STROKE CHAINSAW & POWER HEAD • AUDITED OPERATIONAL SPEC
Walbro WT-Series Diaphragm Carburetor
⚡ FIELD SPECIFICATION SUMMARY
The classic position-independent 2-stroke carburetor that fuels chainsaws at any cutting angle without stalling.
Audited Engineering & Performance Metrics
HIGH NEEDLE1-1/4 Turns Out from Light Seat
LOW NEEDLE1 Turn Out from Light Seat
IDLE RPM2,800 RPM (Clutch Disengaged)
POPOFF PSI12 - 15 PSI Metering Needle Pop-Off
METERING LEVERFlush with Carburetor Chamber Floor
Specialist Advisory: Brad Stevens (Certified Small Engine Mechanic)
Ethanol in pump gas hardens the rubber metering diaphragm within 6 months. Rebuild with an ethanol-resistant Teflon kit.