JInma 254 on PTO Dyno
Yangdong Y385 engine, 3 cyl. Removing spring loaded check valve on outlet side of injection pump fuel chamber. Purpose of check valve is to aid cold starting. Preventing fuel chamber from back draining after shut down (losing it's prime) .... Video's simply shows that engine will start and run at full throttle & full load without the check valve ball & spring. www.ranchhandsupply.com
