how can I tell the difference between 86' and the later cyl. [Archive]

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Honda5

08-17-2009, 04:12 AM

can anyone help me by letting me know how to tell the difference between 86' and 87'-89' cyl?
thanks

racerx573

08-17-2009, 10:02 AM

Bridged intakes ports.

'86
http://www.atvsource.com/images/article_images/product_reviews/2002/oem_cylinder_shootout/mp_250r_shootout/intake_view.jpg

'87-'89
http://www.atvsource.com/images/article_images/product_reviews/2002/oem_cylinder_shootout/ftz_oem_cylinder/intake_01.jpg

fulltiltrider

08-17-2009, 09:34 PM

yr is stamped on the oem sleeve.