1989 rm 250 evo motor

Old 08-22-2015, 12:42 PM
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Join Date: Aug 2015
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Default 1989 rm 250 evo motor

Hey guys i bought an 1989 rm 250. rebuilt the motor .. but the head gasket did not line up but everything else fit.. i put a pic of the head gasket i got ( holes dont line up). cylinder head cast number 28c2 and E1
i think i need two o rings instead...
did suzuki change their motor half way during the year..everthing else on this bike fit like a glove just that one thing stopping me from ripping.
ty for any ones help
Attached Thumbnails 1989 rm 250 evo motor-img_0051%5B1%5D.jpg  

Last edited by mxdee123; 08-22-2015 at 12:47 PM.
Old 03-19-2019, 06:12 AM
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Join Date: Mar 2019
Location: Rhode Island
Posts: 4

It does sound like you need the o rings instead. Double check your cylinder head to see if there's a recessed area for an o ring to sit in.

Now I have a 94 RMX 250, which is based off the 89 RM 250. However, my head says 28C1 and E1. That head uses a regular gasket, so yours saying 28C2 probably means you need an o ring. Not sure as to why there's 2 types of heads and gaskets for the 89 RM 250. Maybe one is california spec?

Good luck
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