Honda 0.25 Oversized Piston - Club700XX - Honda TRX700XX Forum
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post #1 of 12 Old 10-13-2010, 08:34 AM Thread Starter
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Honda 0.25 Oversized Piston

I am replacing the stock piston in my 700xx, due to the it putting a 1" horizontal gouge in the cylinder wall. Honda offers piston and rings they say is 0.25 oversized. Is that 0.25 inches? If so can you bore the stock cylinder that much and still be good? If my calculations are correct, that would bring the 686cc to 774cc. Please let me know.
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post #2 of 12 Old 10-13-2010, 10:47 AM
 
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Can't be, I dont think that is possible. Maybe its mm since honda should be metric. I'll look around for ya.

http://unlimitedallstars.org/calculatedisplacement.html


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Last edited by xx700xx; 10-13-2010 at 11:17 AM.
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post #3 of 12 Old 10-13-2010, 12:11 PM
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No way....thats metric, in which case it would be a 691.

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post #4 of 12 Old 10-13-2010, 12:14 PM
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You can use this to figure out displacement. it was for the raptor, but the XX and the raptor are the same bore and stroke.

http://nvmyz28.com/quads/displacement.html

734 09 Raptor
Meglodon by Bo,KW springs, Web 4 Cam, 54mm TB, 105.5mm CP cylinder, 14:1 CP,Barkers Inframe,Dynatek Coil,PC V,Dynatek Programable ignition,CCP stabilizer,+5 swinger,Boss Noss Sys, Direct Drive Lock-up, KDS Evac valve,HID Light conversion,SPAL fan
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post #5 of 12 Old 10-13-2010, 12:24 PM Thread Starter
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Makes a lot more sense. The customer service rep from hondaservice.com didn't sound sure of himself. Just wanted to make sure. I didn't think you could bore that much out and still have a sleeve left.
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post #6 of 12 Old 10-13-2010, 07:52 PM
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I'm thinkin you would be better of with a stock piston & new barrel....Just buy the parts off the shelf and install them. No PITA measureing and sending stuff away to be bored and coated etc: .......
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post #7 of 12 Old 10-13-2010, 08:21 PM
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The piston your looking at is .25 mm or in inches is .010 Buy the piston and when it comes in take the cylinder and the new piston to the shop to have the cylinder bored to the piston.

08 raptor 700
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post #8 of 12 Old 11-16-2010, 07:43 AM
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are the jugs on the 700xx possible to be bored? i was told they are chrome lined.

2008 TRX 700XX (Black/Charcoal)
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post #9 of 12 Old 11-16-2010, 09:20 AM
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i could be wrong but im fairly sure its 25thou, caus i know when i build car/4x4 truck engines the pistons come in increases in thou both metric and imperal engines, but like i say could be wrong caus i dont have the patentiance to build bike motors so havnt had much exp with them
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post #10 of 12 Old 11-16-2010, 10:01 AM
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Quote:
Originally Posted by Simplyorange View Post
are the jugs on the 700xx possible to be bored? i was told they are chrome lined.
Sure...you can either bore and sleeve or bore and re-nikasil the cylinder.

734 09 Raptor
Meglodon by Bo,KW springs, Web 4 Cam, 54mm TB, 105.5mm CP cylinder, 14:1 CP,Barkers Inframe,Dynatek Coil,PC V,Dynatek Programable ignition,CCP stabilizer,+5 swinger,Boss Noss Sys, Direct Drive Lock-up, KDS Evac valve,HID Light conversion,SPAL fan
Tuned by EHS Racing 78hp 55Tq
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