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Author Topic: KX500 Engine year  (Read 6706 times)

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Offline Bikingbagga

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KX500 Engine year
« on: June 19, 2016, 09:39:11 AM »
Just picked up a KX500 engine the S/N on the engine states KX500BF005054 not sure of the F its very it could also be an R (hard to read)

Any one know the year I think its I either 88 or 87
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Offline sandblaster

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Re: KX500 Engine year
« Reply #1 on: June 19, 2016, 10:29:54 AM »
Welcome to the forum

KX500BE004101-KX500BE006600 is 1987
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.

Offline Bikingbagga

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Re: KX500 Engine year
« Reply #2 on: June 23, 2016, 02:03:35 PM »
Thanks so its a B in the S/N what can you tell me about the 87 engine when compared to the later years any known issues etc
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Offline BLACKBEARD

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Re: KX500 Engine year
« Reply #3 on: June 24, 2016, 10:28:53 AM »
Holy ish. I was just about to start a thread concerning the year of  a kx 500 motor that I'm currently doing some work on. How would I go about figuring this out?
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Offline BLACKBEARD

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Re: KX500 Engine year
« Reply #4 on: June 24, 2016, 11:57:51 AM »
Kx 500BE005791 isn't even on the chart.
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Offline sandblaster

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Re: KX500 Engine year
« Reply #5 on: June 25, 2016, 01:27:30 AM »
KX500BE004101-KX500BE006600 is 1987
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.

Offline Bikingbagga

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KX500 Engine in a Yamaha 94 FZR 600
« Reply #6 on: June 29, 2016, 05:07:41 PM »
The plans I have with my 87 KX500 is to transplant it into a Yamaha 94 FZR 600 & race it in vintage / classic racing events including track days. Any advise / help would be welcomed. First up programmable ignition what is the hot set up. Primary gearing based upon the KX500 transmission any recommendations on primary gearing for the track. I'm planning on hydro forming a pipe. I have built several for my Yamaha CT1 racer.

Thanks Rob
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Offline Andiracer

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  • KX500AF (Frame KXF450 2015, Engine 1998)
Re: KX500 Engine year
« Reply #7 on: December 12, 2016, 07:18:34 PM »
Wondering what year my engine is:

KX500BE019501

?

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Offline sandblaster

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Re: KX500 Engine year
« Reply #8 on: December 13, 2016, 03:29:43 AM »
Quote from: Andiracer on December 12, 2016, 07:18:34 PM
Wondering what year my engine is:

KX500BE019501

?



Somewhere between 96-98.
I posted this info on another thread you started.

Here is a link to my KX500 Service spec page:
http://www.oem-cycle.com/forum/viewtopic.php?f=49&t=344
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.

Offline Andiracer

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Re: KX500 Engine year
« Reply #9 on: December 13, 2016, 07:16:48 AM »
Ok thanks a lot.

Is there a difference when ordering parts?
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Offline sandblaster

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Re: KX500 Engine year
« Reply #10 on: December 13, 2016, 09:24:40 AM »
No, for the most part they are identical from 89-04.
Mostly just things like the shift shaft, rotor, stator, and exhaust valve arm.
Nothing to worry about... I order everything for a 04 and I own from 89-01 lol
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.

Offline Andiracer

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Re: KX500 Engine year
« Reply #11 on: December 13, 2016, 09:47:03 PM »
Perfect. Thanks :-D
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