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Hi, dont have them mounted anymore, sorry.
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@jens-eskildsen I’ve ordered a set but the front is 80-100/21 I don’t understand front tyres much so will this fit the dt
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@declan Stock tyres are 80/90/21 on the front and a 110/80/18 on the rear metric sizes. Imperial sizes are 2.75 x 21 front and 4.1 x 18 rear, it's the aspect ratio aka the height of the tyre stands off the rim which is the problem. You can fit 90/90/21 on the front and a 120/80/18 on the rear stock rims, but that's as bigger a tyre size you can go to.
http://www.bits4motorbikes.co.uk/Yamaha/YamahaDT125R(1065)tyres.html
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@declan I'm not sure how knobbly tyres are measured bud? Do the sizes mean the overall size of the tyre at the highest knobs ??? Or are the sizes referring to the round smooth part below the knobs ??? Either way that's a lot of knobs to measure for-sure !!!
But if your old ones fitted OK then the new AC10's should also fit too ??? Most manufacturers lean towards the cautious side of things anyways, just to protect themselves.
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@declan If your going from a 110 to a 120, that just means its wider by about 10mm, as the other dimensions are the same. The wider tyre may cross the chain line, causing the chain to cut into the tyre. Or the wider tyre may snag on the swing arm? It all depends on how much clearance there is around the chain line and swing arm dude ???
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@declan Fit em and see if they snag ??? If they do or there's not much wiggle room, then just start her up, tilt the bike over and do some burn outs on either side to wear a bit of rubber off !!! Not the best idea, but a problem fixer for-sure !!!
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80/100 front is fine, its 1cm narrower, thats it.
In general, you can go up and down one notch in size compared to stock with no problems. -
@jens-eskildsen thanks
