Questions & Answers for: crankcase blow by crf450

...CRF450 Honda is leaking engine oil trough the carburetor, and trough a little hole on the right side of the cylinder. Hi there You should not have oil leaking from the carby. If you have over filled ...

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...crf450, 2004 Water pump oil seal is not a possible cause. Even if the water and oil seal were so worn out that the coolant passed through both seals the weep hole in the crankcase cover would have to ...

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Question about Crf250 And Crf450 Motocross Offroad Bikes 2002 Thru 2006 paperbac

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crf450 What problem...kinda need to know...

Question about 2004 CRF 450 R

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crf450 burning oil? Sounds like worn piston rings,oil passing rings(blow by),have to check piston to wall claerance to make sure its within spec,usually .002 to .004,if more, next size piston and bore

...crankcase. The PCV valve will remove this blow-by, unless the rings are so badly worn that they overwhelm the PCV system. The valve sucks out the vapors and a fresh air hose from the air filter ...

2004 Honda CRF450 transmission drain plug location Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the best tool you ever bought for your Honda, despair not,

Question about 2004 CRF 450 R

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...think I've seen one of them blow off? Also, check crankcase ventilation system, pcv where applicable. Do you have a lot of blow-by from crankcase? I don't know your year--make--model or engine

...crankcase, mixed with blow by gases and then passed through a calibrated orifice into the intake manifold. The primary control is through the positive crankcase ventilation (PCV) orifice which meters ...

...crankcase mixes the fresh air with the blow-by gases and then passed through a positive crankcase ventilation (PCV) orificed tube into the intake manifold. The PCV orificed tube restricts the flow ...

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