Feedback Needed Please ASAP - Club700XX - Honda TRX700XX Forum
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post #1 of 17 Old 12-29-2008, 11:31 AM Thread Starter
 
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Feedback Needed Please ASAP

....

Last edited by smo0oth1; 12-30-2008 at 09:30 PM.
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post #2 of 17 Old 12-29-2008, 12:07 PM
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I will be contacting Honda tomorrow to check on the XR650R intake valves, they are 37mm and can almost bet they will go right in.....probably like the camshaft.

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post #3 of 17 Old 12-29-2008, 12:11 PM Thread Starter
 
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Did you receive my cam yet?
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post #4 of 17 Old 12-29-2008, 12:12 PM
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Not yet.

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post #5 of 17 Old 12-29-2008, 07:38 PM
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If it was me and I was getting a larger throttle body I would get +2mm intake & +1mm exhaust......Stock 700XX intake is smaller than XR650 intake but larger in capacity; 686cc vs 650cc.

This would not be going overboard; the 450R responds to +2mm in, +1mm ex very well. The intake charge velocity will still be very high even with the larger TB mainly because the stock 700XX is so strangled in stock form.........DS450 has 48mm TB & the new CRF450 has a 50mm TB!!!!

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post #6 of 17 Old 12-29-2008, 09:46 PM
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The exhaust valves are plenty big for even a large build so no need to up the size there.

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post #7 of 17 Old 12-29-2008, 10:03 PM
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That 37mm XR650R valve will work!
Stock 700XX valve measures:
Stem .259"
Length 4.029"
Groove for locks are right were it needs to be too.

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post #8 of 17 Old 12-29-2008, 10:19 PM Thread Starter
 
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Hell yea!!! That saves allot of trouble. They make a 37, 38 & 40mm Intake valve plus 32 & 33mm Exhaust valves for the XR650R. I'm not sure if the years are different but the package said 2000. I'll have some headed your way tomorrow.
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post #9 of 17 Old 12-30-2008, 07:48 AM
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Send em on! Honda shoulda put the 37s in there to begin with instead of the 36s out of the XR600.

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post #10 of 17 Old 12-30-2008, 07:59 PM
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Quote:
Originally Posted by VelociRaptor View Post
That 37mm XR650R valve will work!
Stock 700XX valve measures:
Stem .259"
Length 4.029"
Groove for locks are right were it needs to be too.
That info is awesome!!! It's good to have someone actually doing the leg work AND sharing what they know. Thanks
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