[esr 330pv coolant leak] - ATV Riders Forums - Honda, Yamaha, Suzuki, Kawasaki, Polaris, CanAm, Arctic Cat, Kymco ATVs

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esr 330pv coolant leak
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Posted by: louis

Hello,I just purchased a new 330pv from esr and just started it and rode down the road and back. The cylinder was was leaking coolant down the side. So I replaced the o-ring and that was still not the problem. Only to find that on the left side 1/8 inche down from the head on the water jack there is a small hole leaking coolant on the side of the cylinder. Any one else have this.
or is this a defective cylinder.

Posted by: trailwart

i had that on my esr 330pv. didnt worry cause it was a seapage type thing, not pouring or squirting out. i had it fixed when i sent it to neil (cleigh). he did my porting and hooked me up on the leak. i had heard that some of these cylinders are like this because there poris or somthin like that(casting process)

Posted by: C-LEIGH RACING

Have you checked back with where ever you bought the cylinder kit from for replacement.
That cylinder casting leaking like that on a new cylinders not your problem & should be replaced, if you bought it new from a company.
Neil