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Two stroke problems, just when we need it

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BEAR View Drop Down

Joined: 07 September 2013
Location: Appalachian Mtn
Status: Offline
Points: 13483
Post Options Post Options   Thanks (0) Thanks(0)   Quote BEAR Quote  Post ReplyReply Direct Link To This Post Posted: 17 December 2021 at 11:45
First I'd check HV output, use a screw driver from plug wire to ground (just like you did with the plug.  if spark then it IS the plug.  But I doubt that.

IF no spark it is in the HV.  that old it probably has a magneto. 


does it have a coil?  that would be next check.

some 2 strokes have a set of high voltage points to direct the magneto.

whose engine make is it???    polaris model number?

Edited by BEAR - 17 December 2021 at 11:54
The IQ and the life expectancy of the average American recently passed each other in opposite directions.
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d4570 View Drop Down
.416 Rigby
.416 Rigby

Joined: 27 January 2004
Location: United States
Status: Offline
Points: 9028
Post Options Post Options   Thanks (0) Thanks(0)   Quote d4570 Quote  Post ReplyReply Direct Link To This Post Posted: 17 December 2021 at 11:39
Another two-stroke problem.
We have an old Polaris indy 400.
The backup gear is messed up, and I had to replace the gasket to keep in the oil. I did not want to spend $400 on a $100 sled so we have no reverse. The starter drive was so gummed up it would not slide into the flywheel gear, I fixed that and lubed it with my forming chain lube. 
It ran fine last year, this year we found the battery had frozen and split, we fixed that.
Now it turns like nobody's business.
BUT does not fire up.
I put in new gas and used starting spray.
I pulled the plugs there used and black but I thought they should still work, I cleaned them.
Grounded them on the head and spun it over, no spark at all, on either.
I checked the kill switch and it is in the run position.
Where should I look this happened when it was parked all summer, in fact, I started it once this summer.
The first thing I'm thinking is to change the plugs there probably 15 years old.
What should I look at next if they don't take care of the problem?
Whenever something happens out of the blue after I have done some work on it is to question if I did something. Your learned opinion is greatly appreciated.
We have a good of new snow here and cold.

Remember: Four boxes keep us free ,the soap box, the ballot box, the jury box, AND the cartridge box
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