Which top end rebuild kit would you recommend? Seems like it's either Wiseco or SPI. The SPI is so much cheaper, something has to be questionable about it, right?
What top end rebuild kit?
- Thread starter CHIA_PET74
- Start date
Some love SPI, some don't, I'm a fan of the Polaris OEM Elko pistons, they cost more than SPI, but the quality is there. I have also run Wiseco's without issues, proper warm up and care of the engine is essential to a long life.
Cool, I'll save the couple hundred bucks I was gonna spend on Wiseco's and put it towards something else. How do you know what size to get? I'm assuming standard? My compression is only 75 in each cylinder so do I need the bigger ones? Thanks
X
X2Freeride
Well-known member
ordering pistons is only the first step in the process... First you have to make sure that you cylinders are still good. If they are bad... Send whatever pistons your going to use with the cylinders to get renicked that way they are a matched set. If you dont they just assume your using stock pistons with the stock expansion rate. This is not always correct as aftermarket pistons may expand more or be a slightly different size.
Cool. thanks. pulled the jugs out and cylinders look pretty good to me. I'll order the piston replacement kit and gaskets tonight and get started as soon as they arrive.
It's a 2000 700 engine.
It's a 2000 700 engine.
J
jaysonfreerider
Well-known member
i put in a set of spi pistons in my 700 last summer and have had no issues. But i have noticed that the coating wears off alot quicker the the OEM polaris pistons.
Waiting on pistons and gaskets. Gonna take her out for one last blast, then completely tear her apart and move into new tunnel/bulkhead. Wish me luck.
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