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k90 Trouble

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Can you please post some pics of your engine on the tractor? Especially the front of the engine with the wires. Something is just not right since that screw should have nothing to do with anything except holding the throttle control. Is that a black wire coming through that little hole in bottom left of that pic?

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It sounds like the mag coil is not insulated from the block and grounding thru that throttle cable. That coil may be bad were the windings are leaking thru to where it mounts to the engine.

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If the throttle conduit contacts the points, that would do it.

Do you have the points cover?

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Ya. I'll put it on tomorrow and keep everyone posted.

Cheers.

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Wallfish:

Nailed it!!

I took the engine out of the tractor fired it up and then positioned  the throttle conduit

to touch the points.  Engine immediately started to fail. Took it away and repeated the process. Same result.

So I'll get the points cover back on once I'm happy with the engine timing.

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:woohoo:  What an adventure, even Sherlock Holmes would be proud of solving that mystery! 

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If needed you can change the position of that conduit so it doesn't interfere or have to be bent.

There is a 3/4" nut behind the governor arm which holds that bracket. Just loosen that nut a little and you can re-position that bracket. The conduit can go under the pulley side of the engine

 

5738d4d51edb2_K90_0052rs.thumb.jpg.a97e4538aa65ea27517a4dd44abde433.jpg

 

 

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Thought I posted this last night but apparently not.

Huge thanks to all and if ever there was a time for dancing bananas this is it so...:banana-dance::banana-wrench::banana-linedance:

 

Tweaked the carb tonight and was actually out riding the rj tonight.  Unbelievable. 

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WOOOOO HOOOOOO

No video this time? :teasing-poke:

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Well you asked for it.

Also this was a goal of mine - to get the engine sound like this.  Don't know why... it just sounds like it's supposed to - to me anyway.

Have recut "Had a little Accident" and will be reposting after the sequel "RJ's REVENGE" is ready for prime time

Just because.m4v

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Not as fun as the first one was but still nice to see that old K90 spinning again.

Glad you got her going!

 

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