Currently shopping for a 700xx are there specific things I should make sure to check - Club700XX - Honda TRX700XX Forum
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post #1 of 6 Old 01-29-2019, 01:02 PM Thread Starter
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Currently shopping for a 700xx are there specific things I should make sure to check

Wondering if there are any typical failures on the 700xx. I’ve searched the forum and found these items:
3rd to 4th gear transition - can't find why. I assume maybe this is the failure point in the tranny?
Cam tensioner – listen for intermittent tick
Valve adjustment – idle characteristics ok, not a big deal for me to need to adjust it but can it cause damage if it has been left not done.
Some say the run hot/overheat easy. Is there a way to check for this without a reasonable ride? I couldn’t’ find the cause…outside of too much oil?? Classically it is lean behavior if the radiator is not blocked, no?
Oil in the airbox

Also curious is there a way to check mileage/hours on the machine?


Obviously, I will do the generic checks as well:
Compression / Piston wash / Spark plug
Clutch operation
Fluid condition & inspect for leaks
Air filter condition
Alignment & general inspection for crash damage
Looseness in suspension components on lift
VIN being there and legit
Brake condition
Frame & Suspension condition including CV
Chain tension
Tire & wheel condition – rubbing, signs of bent or neglect
Check cable tensions

Anything else I should be wary of and check?
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post #2 of 6 Old 01-29-2019, 01:29 PM

 
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I will reply more later when I get home. One thing definitely check is the right rear axle, for the inboard joint play. If that's bad it's going to cost you at least three hundred in parts.

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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, 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 6 Old 01-29-2019, 01:52 PM Thread Starter
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Thanks, no hurry I won't be going to see one for at least a week.
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post #4 of 6 Old 01-29-2019, 03:41 PM

 
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To date I've had zero issues with either of my transmissions. Although my original blk&gry quad has always since day one been difficult to find neutral. Both are still on the original cam tensioners. As far as running hot, it's not that they over heat. There is just some extreme heat that comes off the exhaust header, especially if your running at low speeds, like 1st and 2nd gear only. Speaking of gears, the stock 700xx will barely hold it's own while idling. That's why a lot change front sprocket to a 13t. only oil I get in my air box, is from over oiling the filter, lol. And no there is no way to check the mileage or hours, unless someone installed a hour gauge day one. Hope this helps.

#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 #5 of 6 Old 01-29-2019, 04:37 PM
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this is the only problem I have had with the transmission


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 #6 of 6 Old 01-29-2019, 10:33 PM Thread Starter
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Appreciate the heads up. I searched the forum like crazy but didn't find much for systematic problem areas.
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