KZ440 speedometer

  • Yoshi
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KZ440 speedometer

08 Jun 2023 13:22 - 08 Jun 2023 16:31
#885783
Does anyone know the ratio for the stock speedometer on a 1981 KZ440 LTD? Bought a bike and they changed the gauges. Speedo is not even close to accurate after 50 kph. The tach is also very bouncy and probably not functioning properly either.
Last edit: 08 Jun 2023 16:31 by Yoshi.

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  • Nerdy
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Re: KZ440 speedometer

08 Jun 2023 20:43
#885799
This is an old thread but it might help: www.kzrider.com/forum/2-engine/599917-84-kz440-speedo-ratio
 
1979 KZ400 Gifted to a couple of nephews
1967 Yamaha YCS1 Bonanza
1980 KZ440B
1981 Yamaha XT250H
1981 KZ440 LTD project bike
1981 GPz550
2013 Yamaha FZ6R
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  • martin_csr
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Re: KZ440 speedometer

11 Jun 2023 06:53 - 11 Jun 2023 06:55
#885866
US speedometers have 2240 revs = 1 mile stamped on the back. Some (all?) metric speedos are stamped 1400 revs = 1 km.  But they spin at the same rate. 1 mile = 1.6 km, so the metric speedo spins 2240 revs per 1.6 km.
 
1981 KZ650 Competition Sports and Road
Last edit: 11 Jun 2023 06:55 by martin_csr.
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