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Specs:
Description: Ring Compressor Kit
Complete kit includes three different-size plastic rings and locking clamp.
Compresses piston rings from a range of 40mm to 60mm diameter
B. Wolf
Reviewed in the United States on March 24, 2025
Pretty slick, got for a farmertech 660 build
pascal
Reviewed in Canada on January 16, 2025
Bought it to do work on chainsaws. Great to work with. Makes it easy and smooth to reinsert piston in sleeve. Would recommand
Great design poor quality.
Reviewed in Canada on January 14, 2025
It’s possible to do what this tool makes easy without the tool. But I like easy. Do this tool is in my tool box. It works as designed.
david
Reviewed in the United States on April 3, 2025
As described
Princess
Reviewed in the United States on March 2, 2024
Bulky And The Piston Stop Mashed Some Making it Hard To Remove.
PunisherFan
Reviewed in the United States on December 18, 2024
Does what it is supposed to do. Works great.
Customer
Reviewed in Canada on November 30, 2024
Satisfait
Tony J. Spada
Reviewed in the United States on October 5, 2024
Works like a charm, good to deal with
Customer
Reviewed in the United States on April 22, 2024
GOOD PRODUCT- HAVE USED ALOT AND WORKS PERFECT
PM
Reviewed in Canada on August 24, 2023
Thank you, Stens compagnie work good on KM56RC, FS38, Stihl .I replace piston and ring make easy to do the job and no scraching motor body.I recommande this tool to do piston or ring job make easy.
Lance Thebodeau
Reviewed in the United States on May 5, 2023
Nothing huge here, but still effective at getting the job done. Used it for Stihl Ms 261 rebuild and it did the job.
Andrew
Reviewed in Canada on February 7, 2022
Great set for the price and good for the hobbyist who doesn't do rebuilds all the time.
Donald Delagrosse
Reviewed in the United States on June 17, 2020
I bought this thinking it was a stupid way to put a piston in a cylinder with rings. I'm a metal and chrome guy at heart… plastic? PLEASE! OK first, I was WRONG. The flexibility and spring of the plastic compression rings is perfect. Once I snapped the rings into their place on the piston (Reminder: 2 cycle pistons normally have a guide pin the gap in the ring goes there AND it makes a difference which side of the ring is facing up… . the top of the piston). A common mistake by most novice motor fixers is to put the rings on upside down. When that happens, they'll never get the cylinder to slide onto the piston… (voice of experience).Pre-lube every surface (including the roller bearing and the crank main bearing areas, so they don't create extra wear on assembly AND on initial start up.Step 1: slide the funny looking rectangular thing with a slot in it (piston stabilizer) onto the connecting rod and under the base of the piston. Then, rotate the motor flywheel until the piston is resting on top of the stabilizer block.Step 2: Pick the correct size ring tool for your piston (up to 60 mm) and wipe it down with a lint free cloth. smear a little bit of oil on the inside, squeeze it around the top of the piston, compressing the rings into their slots.Step 3: Pick up the cylinder assembly (if it's a Husqvarna 395XP put the carb on before you do this makes a big difference in your later steps), align the base of the cylinder to the piston and slowly slide it down onto the piston. You'll hear a click if you misalign the cylinder and rings as the ring snaps out of the slot…DON'T FORCE IT! If that happens, and you see the ring sticking out of the slots in the piston, STOP. lift the cylinder off and start from Step 1. The guide is just slippery enough but tight enough to slide down the piston while you're pushing the cylinder and controlling the rings.Would I buy this again? YESIs it a good bargain? Heck YES
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