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Twins Technical Talk Technical Talk for Hinckley Triumph Twins: Bonneville, T100, Speedmaster, America, Thruxton, and Scrambler.

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Old 05-31-2008, 09:52 PM   #1 (permalink)
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Bike Won't Start.

So I took the bike out for a ride today, probably about 2 hours, ran great, no problems whatsoever. I went to start it about 3 hours after the ride and it won't start (yes there is gas in it). I was looking around the carbs looking for a potential problem there when I noticed one of the electrical connections on the bottom of the left carb wasn't connected (the round on, not the flat one). So I reconnected thinking this would solve the problem but apparently not, the bike still won't start. I checked the spark plugs, the vacuum plugs, all the electrical connections and it seems to be fine. When I push the starter it makes the same noises it normally does when it starts, it just won't kick over. Anybody got any ideas? I'm stumped. and pissed. I really wanted to ride tomorrow......
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Old 05-31-2008, 10:03 PM   #2 (permalink)
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If its turning over its not a faulty sidestand switch.
* try opening the drain plugs in the float bowls to ensure there is fuel.
* remove a plug reconect it to the lead and ground it on the cylinder head and press the starter to see if it has spark.
These two tests should narrow down your problem.
There have been lots of cases of faulty pick up coils on 06/07 Twins so this may be your problem.
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Old 05-31-2008, 10:06 PM   #3 (permalink)
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I'm on my way out to check the plugs now, I know the carbs are getting fuel I can hear it when I twist the throttle with the ignition switched pressed.....
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Old 05-31-2008, 10:09 PM   #4 (permalink)
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Your post says it won't kick over - so are you hearing clicking when you press the starter button, or is the motor actually turning over?

If it's not turning over - have you checked the kill switch (catches MANY people out).

If it's just clicking, not turning over, check ground connections, battery connections and starter relay connections.
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Old 05-31-2008, 11:53 PM   #5 (permalink)
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Step 1, IMHO: Determine if the spark plugs are firing.

I noticed you have relocated your ignition switch...might be worth a check to make sure the wires to the switch are OK and attached as they should be.
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Old 05-31-2008, 11:57 PM   #6 (permalink)
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Question Starting

Kill switch or side stand?? To fast & no symptoms to be anything real serious??
Good luck! Id be pissed as well. The only time my Bonne didnt start was some one accidently hit the kill switch! Puzzled the hell outa me till I figured what it was. I NEVER use the switch. It may have happenned when I let a friend reide it? I AWAYS check it now!!
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Old 06-01-2008, 12:06 AM   #7 (permalink)
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If its the kill switch or side stand switch you wont get any noises from the starter as the switches isolate the current to it.
I m not sure how BlackThrux can hear fuel getting to the carbs when he twists the throttle though ??
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Old 06-01-2008, 07:56 AM   #8 (permalink)
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Quote:
Originally Posted by BlackThrux View Post
When I push the starter it makes the same noises it normally does when it starts, it just won't kick over. Anybody got any ideas? I'm stumped. and pissed. I really wanted to ride tomorrow......
What does that mean, it won't kick over? You said it makes the same noises it normally does.
So, when you press the starter button, is the motor turning over but it won't fire, or is the motor NOT turning over?
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Old 06-01-2008, 02:24 PM   #9 (permalink)
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I'm not getting spark. I checked both plugs, neither is firing. What do I do now?
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Old 06-01-2008, 02:27 PM   #10 (permalink)
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Quote:
Originally Posted by Thruxton View Post
What does that mean, it won't kick over? You said it makes the same noises it normally does.
So, when you press the starter button, is the motor turning over but it won't fire, or is the motor NOT turning over?
Motor is turning over but won't fire.
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