Motor won't rev - Club700XX - Honda TRX700XX Forum
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post #1 of 11 Old 03-02-2015, 04:20 PM Thread Starter
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Motor won't rev

Last fall I managed to twist my piston sideways in the jug. I took the motor apart myself and installed a 3mm stroker crank, 3mm big bore, stage 2 hotcam, big gun evo r exhaust, big gun header pipe, and a high flow intake. Now the motor won't rev, at first I thought it was the reverse rev limiter but I tested my wiring and my reverse switch and they all seem good. I have no idea what else it could be, anyone else experience this?
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post #2 of 11 Old 03-02-2015, 06:19 PM

 
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I'm not for sure, but the rev limiter's will make the engine cut out at a certain rpm. Is that what yours is doing, or just not revving up? Like it starts up but just idles? You may need to include some more info, like what kind if any programmer you have and how it's set it.

#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 11 Old 03-02-2015, 09:50 PM Thread Starter
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It's acting like it's in reverse at all times and will only rev that little bit but I can't find a problem with the wiring or the switch

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post #4 of 11 Old 03-03-2015, 05:37 AM

 
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So it rev's a little and cuts out like on the rev limiter? Did you check the neutral switch assembly's, but the foot sifter?

Also still wondering about your fuel settings?

#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 #5 of 11 Old 03-03-2015, 10:08 AM Thread Starter
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Yes it acts just like the rev limiter when your in reverse, but I disconnected the wire that plugs into the switch and tried it and it did the same thing.

The fuel settings I have not messed with yet. I didn't know if I would need a programer at all or not.

Last edited by Farmboy; 03-03-2015 at 10:10 AM.
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post #6 of 11 Old 03-03-2015, 10:35 AM
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From what it sounds like you've done to it yes, you would. I'm sure others will chime in as well. Just a exhaust you should put a programmer on it, so I'm sure with the stroke and bore it just compounds the lack of fuel.
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post #7 of 11 Old 03-03-2015, 11:21 AM
 
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YES, you do need a programmer!... But, that is not what's causing your problem and I don't know what is... But at the end you will still need the programmer.

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post #8 of 11 Old 03-03-2015, 12:33 PM Thread Starter
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Ok what programmer would you suggest
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post #9 of 11 Old 03-03-2015, 01:05 PM

 
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Quote:
Originally Posted by Farmboy View Post
Yes it acts just like the rev limiter when your in reverse, but I disconnected the wire that plugs into the switch and tried it and it did the same thing.

The fuel settings I have not messed with yet. I didn't know if I would need a programer at all or not.


You running stock exhaust too? I'd upgrade the exhaust, and defiantly get a programmer. I like the power commander 5, but then you will need a dyno tune. You can use the ehs box, and I'm sure they can get you squared away with the proper settings.

Not sure I follow the way way your testing the reverse and neutral switch assembly's.

#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 #10 of 11 Old 03-03-2015, 01:10 PM
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He said he has the big gun evo r and header
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