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Description
Valve Set With Springs and Clips - GY6 50cc Scooter with 64mm Long Valves - Version 1Engine Valve Set With Springs and Clips for 50cc with 64mm Long Valves Version 1 This valve set fits the 50cc Chinese scooter engines. They are known to fit several brands and models. Please use our detail pictures and specs to make sure these are the correct valves for your scooter. Valve set details: Diameter of both valve stems: 5mm (0. 196 in) Valve Overall length: 64mm (2. 52 in) Valve Intake: 18. 5mm (0. 73 in) Valve Exhaust: 16mm (0. 625 in)
Engine Valve Set With Springs and Clips for 50cc with 64mm Long Valves
Version 1
This valve set fits the 50cc Chinese scooter engines. They are known to fit several brands and models. Please use our detail pictures and specs to make sure these are the correct valves for your scooter.
Valve set details:
- Diameter of both valve stems: 5mm (0.196 in)
- Valve Overall length: 64mm (2.52 in)
- Valve Intake: 18.5mm (0.73 in)
- Valve Exhaust: 16mm (0.625 in)
- Large spring OD: 22.1mm (0.87 in)
- Large spring length: 36.45mm (1.435 in)
- Small spring OD: 16.4mm (0.645 in)
- Small spring length: 32mm (1.26 in)
- Keepers included
Fits QMB139 GY6 50cc Chinese engines.
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4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Handy backpack!
Color: Green
Love it! Perfect for a plane ride and trips to amusement parks or hikes! Both side pockets will hold a water bottle! Just what I was looking for! The color is pretty too! Much prettier in person!
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Dst
Color: Dark Blue
Very nice product, more room, can organize very well, hopefully will last long. Previous purchases of small backpack for women did not last long .
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Like compliments on your purses…
Color: Black
Handsome and sturdy. I get a lot of compliments. And convenient for my stuff.
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Tiny but convenient!
Color: White, Color: White
Long review: TLDR; it’s cute, pretty durable, tiny but spacious, and handy!
First, I feel I should mention—it’s very tiny! I didn’t look at the dimensions, so that’s my fault, haha, not taking points off for it lol. It’s not big enough to fit, say an iPad Pro, but maybe a mini! It’s height is probably enough for a small book, and it’s width is definitely enough for a regular sized book. Also the length from back to front of the bag: it’s very thick! So it fits a lot for the size. It fits my about 1.5 inch thick wallet (about 5-6 inches long), my keys, a mini hairbrush, and a bag I use with toiletries like pads/tampons, mini body spray, mini hand cream, a tiny metal wallet with bandaids, hair ties, q-tips, and cotton rounds, and a couple chapsticks. The front pocket is pretty spacious too, as it fits my AirPods with a case and a bunch of keychains and dangly things on it.
The straps are long and adjustable. It looks easy to clean but I haven’t spilled anything or gotten anything on it so it’s a little hard to say. I’ve included a video and pictures for reference!
It came pretty smushed and squashed into a flat little pancake but it only took a little while to go to it’s intended shape. I left it full of stuff to mold it overnight (like if you stuff it gently/loosely with, say, a t-shirt or two overnight, it’ll morph into the right shape)
The puff ball is cute, and it’s staying on pretty well, but the elastic thing holding it on is slowly stretching a little so it doesn’t look like it’s glued on like I liked at first, but it still looks good!
It’s lasted a while now, probably a few months with no issues.
Basically, I like it and it’s handy for going to the mall or store, or if you bring very small stuff to the amusement park. (It won’t fit a water bottle, but it’ll fit smaller stuff)
In the video, I showed me unpacking all the stuff it can fit, and in the first picture is all that stuff. In the second picture I show the size of my 12.9 inch iPad Pro to as comparison, and in the third picture I show how it barely doesn’t fit.
Hope this helps!!
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Reviewed in the United States on July 9, 2022
★★★★★ 5
Functional and cute
Color: Dark Apricot
Great quality and size. Perfect for school, work or travel. Easy to wipe down and clean the outside. Decent quality of zipper. It's even held up to my teenager at high-school.
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Reviewed in the United States on December 26, 2025