Elite SA50 Maximum Tire Size

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Elite SA50 Maximum Tire Size

Post by djd » Sat Nov 25, 2017 6:47 pm

The standard rear tire for a 1989 Elite SA50 is 3.00x10. Does anyone know if a 3.50 x 10 size tire will fit? How about a metric size that fits?
Thanks

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Re: Elite SA50 Maximum Tire Size

Post by Dan Durston » Sat Nov 25, 2017 11:38 pm

A 3.00 x 10" tire is 76mm wide (3" x 25.4mm per inch) and also 76mm tall usually.

With modern tires the size will say something like 90/80-10, which means the tire is 90mm wide and 80% of that tall, so 72mm tall.

If you want to keep your gearing about the same, you want a tire height close to the 76mm that it is now. So a 100/80-10 tire would be quite a bit wider (100mm vs 76mm) but only slightly taller (80mm vs 76mm). This might be too wide and might rub on the fender or shock. A 80/100-10 tire would be closer to your current tire, as it's 80mm wide and 80mm tall.

You can put whatever you want on back there as long as it doesn't rub and the gearing is reasonable. Typically you can only go about 10mm wider than stock before you get into rubbing problems. So a 90mm wide tire might work and an 80mm definitely will work.

A 3.5 x 10 tire is 12mm wide and 12mm taller, so it might work but it's pushing it. If you want a little bigger tire I'd look at a 80/100-10.
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Re: Elite SA50 Maximum Tire Size

Post by MotorScooterGuy50 » Wed Nov 29, 2017 8:41 pm

A 90/90-10 will fit fine. You may have to let air out to install it depending on the brand.

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Re: Elite SA50 Maximum Tire Size

Post by tiny » Thu Nov 30, 2017 7:25 pm

If you have a two piece steel wheel make sure you grab an inner tube my '89 Honda need it and i installed new 90/90-10.
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Re: Elite SA50 Maximum Tire Size

Post by MotorScooterGuy50 » Fri Dec 01, 2017 1:52 pm

tiny wrote:If you have a two piece steel wheel make sure you grab an inner tube my '89 Honda need it and i installed new 90/90-10.
Good point.
All of the USA Elite 50 scooters use tube-type tires and rims. You can retrofit Metropolitan wheels to run a tubeless 90/90-10. Retrofitting to the wider Metropolitan wheels will also help you to maintain the proper tire profile. Most 90/90-10 tires are tubeless.

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