Splitting cases 08 trx700xx - Club700XX - Honda TRX700XX Forum
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post #1 of 5 Old 02-21-2020, 04:48 AM Thread Starter
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Splitting cases 08 trx700xx

Hello everyone I'm new to this forum,I live in Ocala Fl, I just got a 08 Honda TXR700XX through a trade and its a clean Vin,but I knew the piston was bad but not THIS BAD!!! that I have to split the cases in order for me to clean up the shrapnel and the take out the other half of the exhaust Valve that broke!!! Anyone has any tips that can help with this,I'm very mechanically inclined, I've learned alot over the year so I do my own repairs.....thanks
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post #2 of 5 Old 02-21-2020, 11:34 AM

 
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Looks like your cylinder head is cracked too. I never split cases before, but herd it's not to bad. While at it I'd replace crank and bearings too. Not to mention timing chain & guides. I hope you got a good deal on the quad.

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#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, DG 6 Pack Rack, 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 #3 of 5 Old 02-22-2020, 01:49 PM Thread Starter
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I'm gonna take you up on the rebuild, I got this trx700xx through a trade,I traded a 2005 kymko Mongoose 300cc for it,but didn't know it was this bad,I knew the piston was gone!!! But heyI guess live an learn...I'm very mechanically inclined and I have the service manual for it...I know I should be able to knock it out, thanks
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post #4 of 5 Old 02-22-2020, 09:25 PM
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Originally Posted by M_Quick View Post
Looks like your cylinder head is cracked too. I never split cases before, but herd it's not to bad. While at it I'd replace crank and bearings too. Not to mention timing chain & guides. I hope you got a good deal on the quad.

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NOT BAD! its a pain in the arss . to take the motor out repair and replace could take 14 hours .
I suggest you have a way to lift the motor, its heavy ,and BTW a lifting table is also highly prized idem .

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 #5 of 5 Old 02-22-2020, 09:31 PM
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changing out the shifting shaft is all most as bad . at least ya don't have to remove the motor from the frame , but all most

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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