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2013 rmk pro 800 warm up issues.

J
Jan 6, 2024
1
0
0
Wasilla, AK
My son has a 2013 rmk pro 800 with about 1700 miles on it.
Bought it last spring, ran great for the couple of runs we did.
It sat outside uncovered for the summer (rained a lot)
This winter it won’t warm up.
Starts fine, runs for a minute or so at 1650-1800 rpm then dies.
Won’t restart
Change plugs (cooled down)
Does the same thing, starts fine won’t get to full warmup.
This morning I tried not changing the plugs, got it to start with some throttle and was holding rpm’s at 2800 and it just died like I hit the kill switch.
Now it won’t start with or without the throttle.

About to take plugs out again here shortly.

Any ideas.

Im pulling the exhaust valves to clean them today anyway. Other ideas I’ve seen are ecu, tps, or the kill switch inside the throttle.
 
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