121 mono to 136?

S

sledude

New member
Joined
Mar 6, 2008
Messages
2
Age
53
Location
Ontario
Hi guys, I am converting my 121 inch mono shock to a 136, I have the track and I have rails from a true 136 inch mono shock, anyone know what else I will have to do other than bolt the 136 inch rails to my suspension parts?

Thanks.
 

I don't think the 136 rails will work, the 121 has different geometry. If the 136 rails are 7.5" longer than your all set. You'll also need extro drivers cause the track needs to be run loose or it will bind, which also means a fully clipped track with all open windows. Shock will need to be sent to Pioneer and tell them what your doing (revalve and big boy spring). Add the bearings to the end of the shock to prevent track rub. Do some searches on the 4stroke side there's enough reading to give you a headache. Here's a link to my stretch project: http://www.totallyamaha.net/forums/showthread.php?t=57322
 
Ok thanks, what difference would there be other than adding a 136 inch, and longer rails, it is just adding more track out the back just as if I put rail extensions on my stock 121? All the bracketry holes are the same, tunnel mounts are the same and so on, just an extra 6 or 7 inches out the back?
 
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