Question about Yamaha YZF 600 R thunder cat Motorcycles

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Hello , i have a yamaha fzr 400 which i took off the engine and i replacedit with a yamaha yzf 600 thundercat engine with it s harness loom. the engine is turning but no spark is comeing . i checked the pickup coil and the ht coils and the trottle postion senor are good.and on the 4 ht coils their is current coming but no spark....

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2 possible causes;
1 - the HT coils were improperly installed - the ground connection is imperfect or missing completely, you will have to verify your install.
2 - the ignition module is not operational; this happens because either the defect is in the module itself (the module has failed or it's not triggered by the timing sensor) or the wiring that connects it to the coils is damaged. Inspect the wiring to make sure it's intact and all the jacks are properly connected then test the module. If the module is good then the timing sensor is at fault - replace it.

Posted on May 28, 2011

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Posted on Jan 02, 2017

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