ChinaRiders Forums - View Single Post - Zongshen RX3: Oil Lubrication System Maintenance

SpudRider · 12-01-2015, 06:30 PM

Oil Pumps

The right oil pump is located behind the right crankcase cover, behind the clutch basket. The right oil pump is driven by two plastic gears which connect to the small gear on the base of the clutch basket. The right oil pump is shown inside the red circle in the photograph below.

This oil pump has a pressure relief valve which prevents damage to the pump and the lubrication system.

The left oil pump is located behind the left crankcase cover, behind the flywheel.

The two oil pumps are driven by a single shaft which travels across the transverse axis of the engine.

Whenever you remove either the clutch basket or the flywheel, it is important to remove the cover of the oil pump, and inspect all components of the oil pump. If a rotor in either oil pump is worn, replace both rotors in that pump. The rotors wear together as a matched pair, and both rotors should be replaced at the same time.

Oil is the lifeblood of an engine. If either oil pumps fails, engine damage is likely to occur.

12-01-2015, 06:30 PM	#5
SpudRider Join Date: Jul 2008 Location: Idaho Posts: 25,054	Oil Pumps The right oil pump is located behind the right crankcase cover, behind the clutch basket. The right oil pump is driven by two plastic gears which connect to the small gear on the base of the clutch basket. The right oil pump is shown inside the red circle in the photograph below. This oil pump has a pressure relief valve which prevents damage to the pump and the lubrication system. The left oil pump is located behind the left crankcase cover, behind the flywheel. The two oil pumps are driven by a single shaft which travels across the transverse axis of the engine. Whenever you remove either the clutch basket or the flywheel, it is important to remove the cover of the oil pump, and inspect all components of the oil pump. If a rotor in either oil pump is worn, replace both rotors in that pump. The rotors wear together as a matched pair, and both rotors should be replaced at the same time. Oil is the lifeblood of an engine. If either oil pumps fails, engine damage is likely to occur. __________________ Spud "Never argue with an idiot. He will drag you down to his level, and beat you with experience." Mark Twain 2015 Zongshen ZS250GY-3 (RX3) 2006 Zongshen ZS200GY-2 (Sierra 200) 2005 Honda XR650L 2004 Honda CRF250X 1998 Kawasaki KDX220 Mods made to my Zongshen ZS200GY-2: http://www.chinariders.net/showthread.php?t=6894 Last edited by SpudRider; 12-03-2015 at 02:34 AM.
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