Upgrades 2004-06 model YFZ 450 oiling system to the equivalent of an ‘07 though ‘09 model. The ‘04-’06 model does not have an oil squirter relying on oil splash only.
Oiler Kit includes squirter which helps lubricate piston, wrist pin and rod by continuously spraying oil under piston targeting rod/wrist pin, This oiling upgrade/improvement greatly increases reliability.

Recommended for all engines stock or modified.
Kit is completely bolt on, no machining required.
Kit includes: all necessary parts to install on running engine, including clutch cover, oil pump and nozzle.
Kit Requires Re-Use of: water pump-impeller, water pump bearing, water pump washer, water pump shaft, water pump cover.

DR also offer similar upgrade modification to customers clutch cover.
Call for more details.

Upgrades 04-06 model YFZ’s oiling system to 07.