Need help with 700xx!! - Club700XX - Honda TRX700XX Forum
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post #1 of 19 Old 02-04-2016, 12:04 AM Thread Starter
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Need help with 700xx!!

Hey guys I'm new to the forum. Recently bought a 08 700xx. And I love it! Had it for about 7 months now. But these past 2 months it's been acting up on me. The engine is really hard to start. It's spittin and sputtering and the idle is really low. If you give more than half throttle it will bog down and once you let off it'll backfire. You can ease into the gas and it's fine. But if you snap the throttle it'll just bog the entire time. So I changed the fuel filter in it. Helped a little bit. New air filter. New spark plug. Cleaned the throttle body out. It's all stock. I can still drive it. But there's no power and it's bogs down and backfires. I'm the second owner. Could the fuel pump be bad? Or do the valves need adjusting? Help is greatly appreciated!!!
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post #2 of 19 Old 02-04-2016, 12:05 PM
 
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I'd say it's time to adjust the valves... I doubt the fuel pump is bad because of the backfire.

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post #3 of 19 Old 02-04-2016, 07:28 PM
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Agree valves. Not a bad job just time consuming

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post #4 of 19 Old 02-10-2016, 09:12 PM Thread Starter
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Okay thanks guys. I don't have a gauge or I would try and do it myself. Dealer said it would take 2 hours. $100 an hour. Might try and find somewhere else to take it.
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post #5 of 19 Old 02-11-2016, 05:58 AM

 
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Originally Posted by Burtschi5 View Post
Okay thanks guys. I don't have a gauge or I would try and do it myself. Dealer said it would take 2 hours. $100 an hour. Might try and find somewhere else to take it.
Lol @2 hrs! And for $200 you can buy some sweet gauges, lol. And then it would be free next time around. Really it's easy to do. Head to your local auto parts and get a set of angled feeler gauges, probably less than $10. And then hit us back up for info.
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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 #6 of 19 Old 02-11-2016, 07:42 PM Thread Starter
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Is the vavles underneath the rocker arms? Or they at the bottom of engine? I'm new to all this sorry

Last edited by M_Quick; 02-11-2016 at 08:19 PM.
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post #7 of 19 Old 02-11-2016, 08:19 PM

 
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Is the vavles underneath the rocker arms? Or they at the bottom of engine? I'm new to all this sorry

Under the rockers. Download the digital service manual. You basically remove plastics to remove tank, and heat shield. Then there are 2 (intake & exhaust) inspection covers, on top the motor to access the valves.

http://www.mediafire.com/download/lwos5c74tic3ipp/Honda_TRX700xx_Service_Manual%5B1%5D.pd

#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 #8 of 19 Old 02-11-2016, 08:22 PM

 
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Gauges

http://www.autozone.com/clamps-and-m...uge/69339_0_0/

http://www.autozone.com/clamps-and-m...es/466520_0_0/

If you can change the spark plug you can adjust the valves. The plug wire is pretty much impossible for me to remove, unless the tank is pulled.

#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; 02-11-2016 at 08:30 PM.
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post #9 of 19 Old 02-12-2016, 05:40 PM Thread Starter
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Well I adjusted the vavles. And in the process I broke off the boot where the spark plug connects to the actual plug sticking out of the engine. I rescrewed it back on. Hooked it up. Now it wont even crank over. When you try to start it'll just crank real slow then stop. Any ideas?
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post #10 of 19 Old 02-12-2016, 06:54 PM

 
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1st make sure you have the plug wire fixed correctly. And when you adjusted the valves, did you make sure you were on TDC, and on the compression stroke not the exhaust? Also you did adjust the intake and exhaust valves at there individual specs correctly?

#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; 02-12-2016 at 07:12 PM.
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