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150 gy6 bogging out & crankcase pressure build up

90GTVert Administrator Posts: 41,330 Location: Preston, MD	150 gy6 bogging out & crankcase pressure build up Feb 7, 2017 10:35:49 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 90GTVert on Feb 7, 2017 10:35:49 GMT -5 Did you upjet it a lot or just a size or 2? Maybe it still needs more jet. Oil level normal now? Notice any smoke in the exhaust? How does the oil cooler connect?
	Brent Life is better at high RPM.

90GTVert Administrator Posts: 41,330 Location: Preston, MD	150 gy6 bogging out & crankcase pressure build up Feb 7, 2017 18:13:33 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by 90GTVert on Feb 7, 2017 18:13:33 GMT -5 I don't think oil cooler fittings on the case are exclusive to the larger GY6-B engines.
	Brent Life is better at high RPM.

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