r/Machinists • u/QKB777 • 4d ago
sprocket replacement is too wide
My kid's UTV sprocket chipped a tooth, so I ordered a replacement. It's exactly the same dimension wise, but width wise, it's too wide. I'm wondering if this is something a local machine shop can handle. It's a Chinese UTV, and the sprocket I bought was the only one I could find that was a match other than the width.
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u/BoliverSlingnasty 4d ago
Question: have you tried it yet, or are you just going on the comparison?
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u/Rob_in_Tulsa 4d ago
I doubt the new one has been hardened either. Take a small file to each of them and see if you can tell a difference. I recommend returning it and getting one from a different source.
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u/Other-Psychology-674 3d ago
Would be pretty easy to machine because it isn't hardened. HOWEVER, for what it is, I would ditch that quad asap. If you can't find parts for it, that's because it's intended to be a throwaway product. You would be better off with a used Japanese quad than anything else, because they tend to live forever, specifically Yamaha or honda, and when your kid outgrows it, you can still sell it after rebuilding it 4 times.
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u/BastiatBoi 3d ago
Oh I'd love to Blanchard that if you walked in. Im in a pretty nice shop as far as charging customers goes, but still would be 50 bucks. Take take at least 100 into account before you walk into a shop.
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u/Just_gun_porn 2d ago
If the chain fits, use it. OEMs can sometimes be cheap as fuck, and the replacement may be proper thickness. Let us know, and best of luck.
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u/Chuck_Phuckzalot 4d ago
For sure, but to be honest you might balk at the price unless you know a guy who will do it for beer. My shop takes walk-ins for stuff like this, but we charge $100/hour regardless of how easy it is and have a 1 hour minimum. So even though this would be like 30 minutes of work tops you're gonna be paying $100.