Problems starting and stay running - Honda Foreman Forums : Rubicon, Rincon, Rancher and Recon Forum
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post #1 of 12 (permalink) Old 05-15-2019, 09:45 PM Thread Starter
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Problems starting and stay running

99 honda 450es. Hard to start when starts acts like it wont take fuel then shuts down. Replaced carb, replaced coil, replaced plug, air filter. Still same ! Any ideas? Please help?
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post #2 of 12 (permalink) Old 05-16-2019, 07:24 AM Thread Starter
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Ok i have now purchased a CDI possibly the problem ? Just guessing ! Will install tuesday 21 see what happens!
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post #3 of 12 (permalink) Old 05-17-2019, 02:22 PM
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Garage
most aftermarket electronics are hit and miss, be careful trying to save money.....
jeepwm69 and mrbb like this.
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post #4 of 12 (permalink) Old 05-17-2019, 08:21 PM
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is the fuel NEW/fresh and good? is inside of tank clean?
is the fuel cap vent working properly?
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post #5 of 12 (permalink) Old 05-18-2019, 06:17 AM
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There is a fuel strainer inside the tank that could be plugged or need replaced.

Brad
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post #6 of 12 (permalink) Old 06-08-2019, 09:16 AM Thread Starter
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Ok i have replaced the cdi and removed tak and cleaned out newfuel strainer in tank clean nothing in tank . put all back and same problem. I choke till finall fires and then will harsly run gradually give gas till it takea it then ride it . but if i shut it off it will not start again. Same thing every day. What now? Like maybe it gets warm or hot and wont restart but when cold it wont harldy start either with out alot of trying.? Puzzled?
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post #7 of 12 (permalink) Old 06-08-2019, 10:13 AM
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Right after it dies, is there spark at the plug? (ignition coil or pickup coil breaking down with heat)



When were the valves last adjusted? Any backfiring during restarts or while running?


Possibly the timing chain has jumped?
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post #8 of 12 (permalink) Old 06-08-2019, 11:35 AM
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OK have you done a compression test on this motor<
a worn out top end will have starting issue's and will /can not run when hot

SO< I would start with a compression test and see what that says!
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post #9 of 12 (permalink) Old 06-11-2019, 08:08 AM Thread Starter
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I put air thru strainer and fuel valve nothing plugged. Idk? Fuel hose clea
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post #10 of 12 (permalink) Old 06-11-2019, 08:09 AM Thread Starter
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Ok i will try compression check thanks guys.
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