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RSRBOB, Technician
Category: Boat
Satisfied Customers: 1078
Experience:  Former Yamaha Factory Service Rep, Dlr Line Tech, Serv Mgr, G/M
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98 Yamaha gp 1200 died and now no spark, no start no spark,

Customer Question

98 Yamaha gp 1200 died and now no spark
JA: Sometimes things that you think will be really complicated end up being easy to fix. The Marine Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so the Marine Mechanic can help you best.
Customer: no start no spark
JA: Is there anything else important you think the Marine Mechanic should know?
Customer: ive tested the kill switch still no spark
Submitted: 1 month ago.
Category: Boat
Expert:  RSRBOB replied 1 month ago.

Hi and thank you for your question.

To be able to provide the best service possible for you, I would like a few more details.

First, how did you determine there is no spark.

2nd, Did you try testing for spark with the black and white wires in the single connector unplugged?


Customer: replied 1 month ago.
Pulled a wire and put a spark tester on it and yes tried with the wires to kill switch un plugged
Expert:  RSRBOB replied 1 month ago.

Thank you for the additional information.

It is time to run the tests on the ignition system. From the top:

Spark Plug Cap resistance: 4,000~6000 ohms resistance

Primary Coil: Primary Side Bk to Bk/Wh .048~.027 ohms Secondary Side: Bk to Hi Tension Lead 2.7K~4.1K Ohms

Charge Coil Bk/R to Br 172~258 ohms, Bk/R to Blue 656~984 Ohms

Pulser Coil Wh/R tp Bk, Wh/Bk to Bk, Wh/Grn to Bk, 248~372 Ohms

Check it out and see what you find out. The only component left is the CDI box. If everything else checks out, the CDI box has failed.

If you have any more questions, feel free to ask.



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