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I am doing a new top end, and I was able to get the old ones out with a little screwdriver, but getting the new ones back in is not going so well. All I have managed so far is to bloody my finger. I tried needle nose pliers and the screwdriver, and not even close. I was able to put one in that way practicing on the old piston, but the new one is in the rzr, and access is not wide open. Anybody have a good technique for putting them in place?
 

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I had the same enigma a couple days ago. Not a whole lot of clearance especially if you assembling the motor without removing from the rzr. The first c clip took me over half an hour, the second less then 5 minutes. Here is what I did...
The front piston slide your piston pin from the front to the rear. Do the opposite for the rear piston. This means you'll have the best (yet limited) access to where the pins need to go. Get a small pair of needle nose pliers to grasp the clip with. There are 3 indentations to aid in installing the clips. Make sure you are installing with the open part of the clip up. Push the clip into the top 2 indentations (around the 10 and 2 o'clock positions) and position the needle nose pliers so that they will fit into the 3rd indent (around the 5 o'clock position). Now push like hell with your thumb and needle nose in a angled direction towards the top and center of the piston. This allows the clip to slide into the grove. When I did this I got the clip to sit on the rim of the grove, keep your thumb on it so it doesn't shoot out!! Press the rest of the way in with a small screw driver.
Hope this helps.... and remember lay a clean rag over the motor covering the internals so if the clip pops out you don't have to go fishing inside the engine. Also safety glasses are probably a good idea!
 

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Get my copy of the Sand Sports magazine yesterday and they had test on the wrist pin installer. Those clip are always PIA and really like to fly.:)
I really think this tool is great for people who work on engines themself.
milos

C-Clipper installs wrist-pin clips in seconds
Yeah it is really great tools, but problem it is working just with a stock clips, not on ones supply with a aftermarket pistons. Aftermarket for some reason use much thinner wire and this make problem with this tools. But , if somebody is installing stock piston/clip and need the help to install them, let me know and I will lend you the tools.:)
milos
 
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