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This is my brothers bike. He has been riding down the road and it might loose power for a second or two. Most of the time it is after getting gas and he can drain the battery trying to start it back up. Calls his son to give him a jump and it will start right up and run fine to where ever he is going. I have seen some posts about the pulse generator and ECM. I did a search but not finding the same issue. We look forward to your thoughts. Thanks in advance.
 

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I've read that the pulse generators cause the engine to cut out when it warms up. It restarts after cooling down.
 

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Junior Grue
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I'm not sure about the power lose for a second or two but the cranking until he kills the battery but will jump start and run fine sounds like a bad battery. It has enough power to run the starter but the voltage is dropping to low to run the ignition.
 

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It aint rocket science
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Is the bike new to your brother. Could be a number of issues. What is the state of the charging system, what does the battery load test at. Is there spark to the plugs when trying to start.

A proper diagnostic routine needs to be done to identify the source of the problem.

JD
 

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Discussion Starter · #6 ·
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He got the bike earlier in the summer. It had a new battery in it when he bought it. The PO did the new battery so we would not know that the charging system was bad. We ended up doing a poor boy conversion. When it died trying to start it was aftercranking itfor 4 or 5 minutes to try and start it.



The power loose was the engine cut off while riding and then kicking back on a second later.



After looking at it some yesterday the Honda manual shows the pulse generators should have about 12,000 ohm's and we are only getting 3,000 ohm's. I think that this could be the issue.
 

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could be pg's which usually go when hot and restart after cooling,can measure good resistance wise but still be malfunctioning

sounds more like a connector or ignition switch problem

i'd pull the "tank" and wiggle some wiring,only having a good well thought work procedure to check things will help
 
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