Tyre 4.60-18 equivelent to 100-100-18 unsure

Discussion specific to the various air-cooled KDX models sold in the USA
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Michael93
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Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

Looking to buy a new rear tyre for my bike at the moment it has a 4.60-18 mt344 a bit of Google has lead me to believe a 100-100-18 is the same can anyone confirm
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by KDXGarage »

Which year KDX is it?

100/100 is 100 mm wide and 100 % of 100 mm tall. (100 mm x 100 mm)

4.6" wide is around 120 mm wide. Depending on brand, and if this is a 1986 - 1988, I am surprised it is not rubbing the insides of the swingarm. This is also assuming the stock 48 rear sprocket.
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Michael93
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

ImageSorry for lack of info well the plate says it's a 1986 kdx 200 the rear tyre is a 4.60-18 mt 344 moto cross enduro swallow and finger gap either side
_20200405_200936.JPG
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1987 KDX200-D1 (AUS)
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

Tnats the plate, I just assume 6/86 meant 1986
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by KDXGarage »

1987 KDX200-D1, correct? I looked it up on TT.

Does it have the plastic chain / splash guard?
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

Oh for real I was trusting the guys words and looked at the plate an didn't question, I didn't pay a whole lot so no buggy but yeah, when I got it it had no chain guards except the plastic chain slider near the sprocket
1987 KDX200-D1 (AUS)
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

It's all making sense now it's explains why when I did the clutch the new washers I bought for the 86 didn't fit but 88/88 did
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by KDXGarage »

I am the guy that posted a picture from the Kawasaki dealer book, "Model Recognition Manual".

I got a new 1987 from the dealer. It came with a plastic chain guard / splash guard. If yours does not have that, then it must be how it is running such a wide tire. Personally, I would go 100/100 - 18. That bike does not have a lot of power. Stock was 100/100-18 on even the 1989 - 1994 liquid-cooled models in the USA.

Here, look at what it looked like MANY years ago:

https://www.ebay.com/itm/Kawasaki-KDX20 ... 4420727127

It shows on the back that the stock tire was 100/100 - 18.
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

Thanks alot for the help appreciated, been well over 15 years since I had a bike and all I new then was how to ride and not the mechanics side of things, ive done a few things so far but alot more is needed it was rough
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

Is there a whole lot diffrent between the two
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by KDXGarage »

Between the two what?

Do you mind putting your bike in your signature? It would help others when you talk about "my KDX" or "my bike".

Thanks.
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

Sorry 86/87 and will do
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by KDXGarage »

I cleaned it up a little. If people see "1987 KDX200", since most fols on here are from the USA, many will first think USA "C" model, not the AUS D-1 version. The USA never had the "D" model 200's.

I WISH, THOUGH!!
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by KDXGarage »

If you can, please post a few pics of your bike. I'd like to see it. Thanks.
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

These are the only ones at the moment still heavily a working project
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by KDXGarage »

Looks good to me!

Check that chain tension, though!!
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Re: Tyre 4.60-18 equivelent to 100-100-18 unsure

Post by Michael93 »

Haha yep old photo but I got the ruler out and made sure I had the right slack 😁
1987 KDX200-D1 (AUS)
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