its time to go bigger bore - Club700XX - Honda TRX700XX Forum
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post #1 of 7 Old 12-06-2015, 07:58 PM Thread Starter
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its time to go bigger bore

just how much bigger can the stock cylinder be bored ?

751 ,barker pipe,290 Web cam,+3 stroker,TB bored to 46.8 and moved back from head 1 inch,+3 big bore , +1 intake valves, Hard Welded Rockers,KW springs, ported, clutch mod , air box removed ,Cat oil mod, dynojet commander V w/auto tune , lowered rear end , TRX450R front shocks ,
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post #2 of 7 Old 12-07-2015, 05:39 AM

 
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+3mm, but check this out. Looks like a fairly new item, a few sellers are listing this oem kit!

http://www.ebay.com/itm/New-OEM-Hond...RWWfSb&vxp=mtr

#1 2008 Honda Trx700xx HMF Performance Exhaust, PCV, Stroked 710cc, 10.5:1 Wiseco Piston, Frt Elka Stage 4's, Fox Podium X rear's, EHS Lid, L8ton 11/16" sway bar, PRM Desert II Bumper & Front Skids.
#2 2008 Trx700xx AMR Reaper, Ehs Big 3, P/P head, Xcalibur Cam, Hard Welded Rockers, +1 In/Ex Valves, +3 Throttle body, 11:1 CP Piston, Elka Stage 3 Legacy Shocks, L8ton 11/16th Sway Bar, PRM Front Skids, Desert II Bumper & Rear Utility Rack.


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Last edited by M_Quick; 12-07-2015 at 05:49 AM.
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post #3 of 7 Old 12-08-2015, 09:31 PM Thread Starter
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Originally Posted by M_Quick View Post
+3mm, but check this out. Looks like a fairly new item, a few sellers are listing this oem kit!

New Honda TRX700XX Piston Kit Rings 25 Over 13102 HP6 A00 13011 HP6 A01 | eBay
do I understand correctly that +3 is what cylinder works offers ? making it into a 727 ?

i'd rather have a JE piston but i'm not finding one of that size

751 ,barker pipe,290 Web cam,+3 stroker,TB bored to 46.8 and moved back from head 1 inch,+3 big bore , +1 intake valves, Hard Welded Rockers,KW springs, ported, clutch mod , air box removed ,Cat oil mod, dynojet commander V w/auto tune , lowered rear end , TRX450R front shocks ,
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post #4 of 7 Old 12-08-2015, 10:35 PM

 
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Stock piston is 102mm, I'm not sure what your looking at w/out a link.

I take it your not interested in the oem +2.5 piston I linked? Looks like a good price, and hell it's oem!

CP - CARRILLO is what alot of builders recommend, like ehs, alba.

#1 2008 Honda Trx700xx HMF Performance Exhaust, PCV, Stroked 710cc, 10.5:1 Wiseco Piston, Frt Elka Stage 4's, Fox Podium X rear's, EHS Lid, L8ton 11/16" sway bar, PRM Desert II Bumper & Front Skids.
#2 2008 Trx700xx AMR Reaper, Ehs Big 3, P/P head, Xcalibur Cam, Hard Welded Rockers, +1 In/Ex Valves, +3 Throttle body, 11:1 CP Piston, Elka Stage 3 Legacy Shocks, L8ton 11/16th Sway Bar, PRM Front Skids, Desert II Bumper & Rear Utility Rack.


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Last edited by M_Quick; 12-08-2015 at 10:41 PM.
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post #5 of 7 Old 12-09-2015, 02:13 PM
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Originally Posted by M_Quick View Post

I take it your not interested in the oem +2.5 piston I linked?
?? its a 0.25mm oversize on the advert ? Thats a long way from 2.5mm .
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post #6 of 7 Old 12-09-2015, 02:26 PM

 
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Originally Posted by rappey View Post
?? its a 0.25mm oversize on the advert ? Thats a long way from 2.5mm .
Good eye, my bad. I just seen the 25 and didn't pay attention to decimal. Not sure why they made one that size.

#1 2008 Honda Trx700xx HMF Performance Exhaust, PCV, Stroked 710cc, 10.5:1 Wiseco Piston, Frt Elka Stage 4's, Fox Podium X rear's, EHS Lid, L8ton 11/16" sway bar, PRM Desert II Bumper & Front Skids.
#2 2008 Trx700xx AMR Reaper, Ehs Big 3, P/P head, Xcalibur Cam, Hard Welded Rockers, +1 In/Ex Valves, +3 Throttle body, 11:1 CP Piston, Elka Stage 3 Legacy Shocks, L8ton 11/16th Sway Bar, PRM Front Skids, Desert II Bumper & Rear Utility Rack.


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post #7 of 7 Old 12-09-2015, 04:27 PM
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Originally Posted by M_Quick View Post
Good eye, my bad. I just seen the 25 and didn't pay attention to decimal. Not sure why they made one that size.
.25mm (.01 in) is usually the first size up when rebuilding a top end with stock replacement parts, it's not meant to increase performance. It's only slighly bigger to accomodate for the increased cylinder bore after deglazing and honing the cylinder. From there you increase to .5mm, .75mm and so on. I believe Honda offers Pistons and rings up to .75mm for most of their ATVs and maybe even larger for the xx (havent checked).

Last edited by Jmm24; 12-09-2015 at 04:32 PM.
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