2004 VTX 1300C Engine misfire and dying at operating temp - VTXOA
 
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post #1 of 10 (permalink) Old 06-14-2015, 10:55 AM Thread Starter
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2004 VTX 1300C Engine misfire and dying at operating temp

I have had this bike for 4 years without issue. Last week after cleaning the carb and replacing the diaphragm in the petcock, the bike would idle fine and cruise as normal until it reached operating temp. It would start with a noticeable lack of power and then evolve into a misfire then backfiring through the carb before it would finally die all together. After waiting for 10-15 seconds the engine would start again as normal and continue to run normally for a mile or two before it started acting up again. Each time it killed over, after restarting the run time would become shorter and shorter. If I hadn't been in the middle of nowhere and without cell service I would have called for a tow and not rode it after the first incident. Now I'm scratching my head trying to find the cause! Have any of you had the same problem?
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post #2 of 10 (permalink) Old 06-14-2015, 12:07 PM
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When it cuts off,do you get the feeling you've ran out of gas?
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post #3 of 10 (permalink) Old 06-14-2015, 12:49 PM
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make sure all vacuum lines have a good connection
tank vent may also have a pinch point so check it too and make sure it is clear of crud.

05 1300S 6901 miles at start 114600 gave to a friend.
03 1800 R
dyno results 97.55 HP 110.22 torque
Yamaha tenere adv hot ride.
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post #4 of 10 (permalink) Old 06-14-2015, 08:11 PM Thread Starter
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Not really running out of fuel, more like a firing issue. It feels as if it is jumping time (timing and firing are out of kilter). I've checked vacuum lines and all seems well.
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post #5 of 10 (permalink) Old 06-14-2015, 08:14 PM
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Now tighten the battery cables with a wrench or socket.

05 1300S 6901 miles at start 114600 gave to a friend.
03 1800 R
dyno results 97.55 HP 110.22 torque
Yamaha tenere adv hot ride.
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post #6 of 10 (permalink) Old 06-14-2015, 08:59 PM
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Let's go back to your post. "bike ran fine untill". You worked on the carb and the petcock. That tells me you caused the problem and it is not electric. One thing at a time. Tank clean? Ethanol gas? Tank vent pinched? I would start with the petcock. Remove again and examine closely. Diaphragm upside down??? Spring in place???? Clean and replace. Try it now. No joy? Check the vaccumn line to the carb. No joy. Move on to the carb. Clean it again or have it professionally cleaned. Let us know what happens. There is no easy answer. You must break it down to small fixes.

'05 Honda VTX 1300R Champion trike Kit. Mustang Seats and Backrests, Kuryakyn ISO grips, pegs, floorboards, shifter and brake peddle. Universal passenger arm rests, Wolo horn, Shark 600 watt stereo, Vista cruise, Cup holder, GPS. Lots of chrome.

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post #7 of 10 (permalink) Old 06-14-2015, 10:16 PM Thread Starter
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Tank is clean, diaphram and spring are in correctly and the vent tube is not pinched. I have the battery out now because it was showing low voltage after a full charge. Unless that is the problem, I still have no ideas.
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post #8 of 10 (permalink) Old 06-14-2015, 10:18 PM Thread Starter
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Absolutely NO ethanol! Not in my scoot! Only 91 octane "straight petrol".
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post #9 of 10 (permalink) Old 06-14-2015, 10:32 PM
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Quote:
Originally Posted by Red Flame VTX View Post
Absolutely NO ethanol! Not in my scoot! Only 91 octane "straight petrol".
Use the right fuel 87 for best results and firing

05 1300S 6901 miles at start 114600 gave to a friend.
03 1800 R
dyno results 97.55 HP 110.22 torque
Yamaha tenere adv hot ride.
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post #10 of 10 (permalink) Old 06-14-2015, 11:19 PM
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Quote:
Originally Posted by Charlie D View Post
Use the right fuel 87 for best results and firing
+1
87 is what out bikes call for, and reguardless of octane rating, odds are the "91" still has ethanol in it. Might I recomend using 87 from a Top Tier gasoline retailer? Such as Shell, BP, Valero, Texaco, ect.

[SIGPIC][/SIGPIC]
07' VTX 1300C with 23,000 miles.
Kuryakyn Cruise Pegs, Scootworks SWR-9 Extend Risers, Deep Clayton Root Mod, Honda Sissy Bar /w/ Luggage Rack, Radlites 8pc Blue LED Lights, Piaa "Powersports" Headlight Bulb, EBC Double H brake pads, Michelin Commander II so far.
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