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12-28-2011, 06:54 PM
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#1 (permalink) |
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Honda Rider
Join Date: Mar 2011
Posts: 5
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Air flow for a stroker
Has anyone built a stroker/big bore engine out of the 450s ? And if you had, was the stock carb able to flow enough air to satisfy the demands of the engine at high RPMs. I know it has to be jetted, its the total air flow Im wondering about.
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02-07-2012, 06:53 PM
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#2 (permalink) |
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Honda Rider
Join Date: Oct 2008
Location: Garfield, GA
Posts: 11
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I've built 2 BBK/Stroker 450 motors and the stock carb works fine. Jetted properly they provide plenty of power. I can put my bike in 2nd gear, len back and stab the throttle and it'll stand straight up. Not sure how high of RPM you're talking about because the Foreman engine design is not really a high RPM engine.
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02-07-2012, 11:05 PM
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#3 (permalink) |
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Honda Lover
Join Date: May 2010
Location: Northeast Kingdom, VT
Posts: 265
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How much money are you talking to make the 450 a BBK stroker kit?
__________________
2002 Foreman 450ES - 2" HL Lift - 27" Dirt Devil XT - LT2000 Superwinch - Moose Utility Seat - K&N Air Filter - 5233 Miles and counting! 2003 Recon 250ES |
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02-07-2012, 11:23 PM
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#4 (permalink) |
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Honda Rider
Join Date: Oct 2008
Location: Garfield, GA
Posts: 11
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Depends on how you actually do it. If you use the crankshaft that's already in the motor and you do all of it at one time (without doing any other internal parts replacements/repairs), I'd say it would probably run you around $1,600. On my current BBK/Stroker bike, I started with a new crankshaft, and did some other internal upgrades and repairs. I've got $2K+ in the motor as it sits.
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