Maintenance & Technical > KX500 Original

500 ENGINE CASES

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MOTOSCOTT:
WHAT IS THE SCOOP ON PRE 89,500 ENGINE CASES. I got a set of cases and gear box and clutch from K.  Howerton from back in the day when he raced for them.

He said it was from a spare race engine. He said they are probably stock but had factory cylinder etc..Will they work on post 89 for a spare. If not I will put them up for someone with an earlier engine.
Thanks.

turdle:
83-87 are the same. 88 on up are changed from earlier. According to my clymer manual.

RoostiusMaximus:
the bearing retainer is the only difference, i have 4 sets here i've compared

don46:
88 are different as well, 88 had 2 kips valves, 89 and newer have 3

turdle:

--- Quote from: RoostiusMaximus on March 21, 2012, 04:49:29 AM ---the bearing retainer is the only difference, i have 4 sets here i've compared

--- End quote ---
just curios RM, what year cases do you have? i only have 2 yrs 86 and 87.

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