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🛠️ Stop the hassle, start the fix — the ultimate piston stop tool for pros on the move!
The Universal Nylon Piston Stop Tool features dual 10 mm and 14 mm threads, making it compatible with 99% of small 2 stroke and 4 stroke engines such as chainsaws and brushcutters. Crafted from durable nylon, it weighs just 0.39 ounces and measures 6 x 4 x 0.5 inches, offering a compact, lightweight solution for clutch and sprocket removal. Highly rated and ranked among top chainsaw accessories, this tool is essential for efficient engine maintenance.


| Best Sellers Rank | #76,970 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #911 in Chainsaw Accessories |
| Customer Reviews | 3.7 out of 5 stars 202 Reviews |
R**R
Cheap plastic
Won't last. Poor quality
B**W
Absolutely Worthless Piece of Junk! Avoid!
This product was apparently never tested by anyone, as it failed immediately after screwing it in the spark plug threads positioned over the piston. It collapsed immediately, rendering it useless. You can actually stop the piston from moving with a piece of nylon rope, avoid this piece of junk!
R**E
use at your own risk
This item is a well-made item. made of a heavy plastic material. use at your own risk. I used this item on my Stihl MS180, and it put a hole in my piston. the repair is costing me $200.00. I was told by a local Stihl repair facility they use the rope in the cylinder trick. it is safer I guess.
T**O
Great
Great
D**T
NOT FOR AUTOMOTIVE USE
This is for a 4 stroke small engine, maybe motorcycle/ATV. This will not work on a car engine. It is too wide to fit in the sparkplug hole on the cylinder. Can't even get the thread within an inch of the spark plug hole.
A**A
Works great!
Work’s great. Used it for repairs on a couple chain saws. Threaded just fine into the spark plug hole.
F**D
Very functional Piston Stop - unfortunately it was a re-packaged return
Very functional Piston Stop - I was able to pull the clutch off my Stihl chainsaw using it. I dropped it 2 stars because it was obviously used - the package was poorly re-taped up using duct tape. It's frustrating to pay full price for a piece that someone used (probably once to get the job done) then returned.
E**N
Don’t Waste Your Time and Money
Garbage, the plastic threads stripped out and it did nothing to stop my chainsaw piston stroke.
A**R
Should have read the reviews before buying!
The item is the same length as the spark plug so it does not do what it is supposed to do and stop a piston! Useless!
B**N
garbage
threads wore off after first use
N**U
lenght
the lenght is to small for my 2002 Suzuki rm250... the tool dont touch my piston
Trustpilot
1 month ago
2 days ago