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Everything Dirt Bike
Make / Model Specific
Suzuki
1991 RM250 No Start
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<blockquote data-quote="wicksaw02" data-source="post: 229967" data-attributes="member: 5487"><p>Hi all, new to the forums here so please move the post if it's in the incorrect spot. Anyways, I have a 1991 RM250 that will not start. I kick it and it has good compression. Has spark that seems to be slightly on the weak side but still blue. Fuel is wet on the plug after kicking. The coil seems to be some cheap eBay one so that could be of concern, was put on by the previous owner. I have spark, air, and fuel it should at least pop over...no. I have no other ideas other than a possible too weak of spark or bad compression and need a new piston and rings etc.</p><p></p><p>Here are the things I've checked and done.</p><p></p><p>- New NGK Spark Plug BR8EIX gapped at .025</p><p></p><p>- Cleaned carb and all jets and passages with compressed air, absolutely spotless</p><p></p><p>- Checked reeds, they sit perfectly flat and have no damage whatsoever, has brand new Boyeson performance reeds and cage on it, and the intake boot, clamps, and gasket is brand new too</p><p></p><p>- New head gaskets and cylinder gasket because I took the head off to check the piston for pitting</p><p></p><p>- Piston is good on the top and has some scoring on the skirts </p><p></p><p>- New O-ring and springs on FMF gold series head pipe</p><p></p><p>- Took stator cover and flywheel off, cleaned every single contact point to the frame and the magnets</p><p></p><p>- Replaced all heat shrink connectors and dielectric greased them</p><p></p><p>Any help is greatly appreciated. And yes I have read through many forums on this that date to 2012 or so, found lots of info but no solution.</p></blockquote><p></p>
[QUOTE="wicksaw02, post: 229967, member: 5487"] Hi all, new to the forums here so please move the post if it's in the incorrect spot. Anyways, I have a 1991 RM250 that will not start. I kick it and it has good compression. Has spark that seems to be slightly on the weak side but still blue. Fuel is wet on the plug after kicking. The coil seems to be some cheap eBay one so that could be of concern, was put on by the previous owner. I have spark, air, and fuel it should at least pop over...no. I have no other ideas other than a possible too weak of spark or bad compression and need a new piston and rings etc. Here are the things I've checked and done. - New NGK Spark Plug BR8EIX gapped at .025 - Cleaned carb and all jets and passages with compressed air, absolutely spotless - Checked reeds, they sit perfectly flat and have no damage whatsoever, has brand new Boyeson performance reeds and cage on it, and the intake boot, clamps, and gasket is brand new too - New head gaskets and cylinder gasket because I took the head off to check the piston for pitting - Piston is good on the top and has some scoring on the skirts - New O-ring and springs on FMF gold series head pipe - Took stator cover and flywheel off, cleaned every single contact point to the frame and the magnets - Replaced all heat shrink connectors and dielectric greased them Any help is greatly appreciated. And yes I have read through many forums on this that date to 2012 or so, found lots of info but no solution. [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Suzuki
1991 RM250 No Start
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