needles Posted July 14, 2008 Share Posted July 14, 2008 i have a 1983 xj550 and my engine is fubar. i want to put another engine in the bike as it's a very good frame etc. my question is, am i restricted to the same engine or will anything else fit straight in? ie something a little bigger. obviously still yamaha xj to use the same mountings etc. also does anyone have an engine ofr sale that will fit in or a 550 engine ofr sale? thanks peeps Needles Link to comment Share on other sites More sharing options...
grizzlydan Posted July 14, 2008 Share Posted July 14, 2008 i have a 1983 xj550 and my engine is fubar. i want to put another engine in the bike as it's a very good frame etc. my question is, am i restricted to the same engine or will anything else fit straight in? ie something a little bigger. obviously still yamaha xj to use the same mountings etc. also does anyone have an engine ofr sale that will fit in or a 550 engine ofr sale? thanks peeps Needles Hi Needles. I had the same problem with my xj550 & found out that any engine of the same configuration will fit the frame. I put a 1983 xj600 engine in my frame & after a little messing around with the igniter units managed to get a top speed of 125mph (fork seals were knackered so this speed was where me undies started to change colour). I have a 1986 fz600 at the moment & it has the same configuration engine & i know that if you look around you'll find a few still in some breakers.By the way don't get fooled into buying a later engine (1990's or later) as these engines have a tilted head & barrels & won't fit. grizzlydan. Link to comment Share on other sites More sharing options...
needles Posted July 14, 2008 Author Share Posted July 14, 2008 thanks dan, my search continues and to top it all off the collector box has snapped at the end can end on my xjr1300 Link to comment Share on other sites More sharing options...
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