Have fuel have spark but won't start!! - Club700XX - Honda TRX700XX Forum
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post #1 of 3 Old 03-04-2018, 01:59 PM Thread Starter
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Have fuel have spark but won't start!!

I've searched the forum and found quite a few threads with same issue. I've tried everything in those threads which I'll describe next.

I was out riding a few weeks ago and bike started "choking" out. Rode for about 4 hours no problems then all of a sudden when I started giving it gas it would choke out and back fire occasionally then die. Eventually got towed back by my buddy and then the bike started right up and ran fine. Immediately thought fuel filter so I bought a filter off eBay. Replaced and now bike wouldn't start. I checked the injector and didn't seem like much fuel was squirting so I replaced the injector and while I was at it bought the high performance kemco fuel pump and spare plugs. Current plug had great spark by the way, but was pretty dirty. Now, I'm getting plenty fuel squirting through injector but still won't start and have tried all 3 plugs as well. It will however start off starter fluid... thoughts???
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post #2 of 3 Old 03-04-2018, 04:09 PM
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Garage
do a compression test . check valve lash

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 #3 of 3 Old 03-13-2018, 03:15 PM Thread Starter
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Compression was 105. Went ahead and adjusted valves while I was at it. Rechecked compression and was at 90. Book says if compression is high it's either decompression mechanism or carbon build up. Pulled the cam and took to a local Honda tech and says it looks fine. Where to go next??
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