Vent Yamaha G1 Muffeler

kantuckian · 04-22-2015, 08:22 AM

Can somrone tell me what the vent tube coming out of the top of muffeler on a gas G1 Hooks to and whats its purpose

Thanks In advance

smallblock450sl · 04-22-2015, 09:02 AM

It goes to the oil pump. As rpm increases, the pressure tells the oil pump to add more oil into the carb.

nota · 04-22-2015, 09:25 AM

exhaust gas pulses power the oil pump
much like the intake vacuum pulses powers the gas pump

04-22-2015, 08:22 AM	#1
kantuckian Gone Wild Join Date: Dec 2010 Posts: 635	Vent Yamaha G1 Muffeler Can somrone tell me what the vent tube coming out of the top of muffeler on a gas G1 Hooks to and whats its purpose Thanks In advance
kantuckian Gone Wild Join Date: Dec 2010 Posts: 635

04-22-2015, 09:02 AM	#2
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,875	Re: Vent Yamaha G1 Muffeler It goes to the oil pump. As rpm increases, the pressure tells the oil pump to add more oil into the carb.

04-22-2015, 09:25 AM	#3
nota Gone Wild Join Date: Jun 2014 Posts: 330	Re: Vent Yamaha G1 Muffeler exhaust gas pulses power the oil pump much like the intake vacuum pulses powers the gas pump
nota Gone Wild Join Date: Jun 2014 Posts: 330

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