Freshman Rider
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Exaust mod?
by: seanalex538 - Jun 14, 2013 11:40:14 GMT -5
Post by seanalex538 on Jun 14, 2013 11:40:14 GMT -5
i'm 500km after my 50mm BBK and my scooters still a bit rich with the stock exaust. how should i go about drilling holes in it to lean it up some?
thanks
sean
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Sophomore Rider
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Post by ryaanlx on Jun 14, 2013 13:04:19 GMT -5
Are there any restrictors in the pipe or are you just drilling holes to allow more flow?
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Freshman Rider
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Exaust mod?
by: seanalex538 - Jun 14, 2013 13:16:46 GMT -5
Post by seanalex538 on Jun 14, 2013 13:16:46 GMT -5
Just to allow more airflow and hopefuly lean it up a bit
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Sophomore Rider
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Rear wheel drive
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Exaust mod?
by: justin010304 - Jun 14, 2013 23:22:23 GMT -5
Post by justin010304 on Jun 14, 2013 23:22:23 GMT -5
Most of your flow restriction is in your head pipe. I would "port" the inlet on your pipe where it meets the head, there is usually quite a bit of flow to be gained from it.
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New Rider
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Exaust mod?
by: dornblaser1 - Jun 15, 2013 19:10:52 GMT -5
Post by dornblaser1 on Jun 15, 2013 19:10:52 GMT -5
oh for mine i took about a foot long 1/2 inch drill bit and drilled through the exhaust hole straight through all the baffles and it adds more flow and sounds decent i gotta make the exhausts hole a little bigger to not sound like a wierd kind of lawn mower though i want a lower tone
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Exaust mod?
by: ridecheap - Jun 15, 2013 19:14:54 GMT -5
Post by ridecheap on Jun 15, 2013 19:14:54 GMT -5
Get a universal FMF exhaust and mod it bracket wise to fit sounds like a Harley. Cheap as and the best.
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