Author Topic: is an '86 engine identical to a 2002, with the exception of the head?  (Read 364 times)

0 Members and 1 Guest are viewing this topic.

Offline drumstyx

  • Road Bike
  • ***
  • Posts: 322
  • AREA: Northeast Area
  • COG#: 12290
  • Membership Level: Active
Gonna have to deal with this bent rod issue, and I have an '86 out back. I've put the word out for a complete engine, but what if the '86 engine I have is good? I know the heads have valve issues, but if I swap on either my current head, or a purchased one, is it identical in every other way?

Offline Steve in Sunny Fla

  • Industry Member
  • I Need a Life
  • *
  • Posts: 7801
  • AREA: Southeast Area
  • COG#: 6977
  • Membership Level: Active
Re: is an '86 engine identical to a 2002, with the exception of the head?
« Reply #1 on: March 25, 2017, 06:23:50 pm »
mostly, the only other part that comes to mind is a single leaf for the slipper clutch whereas the later models have 2 leafs. you were going to replace them anyway when you put the engine in ,so...  ;) Steve
C-14 ECU flashing for performance and rideability enhancement
C-10 Carb work , cams, & performance enhancements
 " Modifications for sport-tourers, BY a sport-tourer"
https://sites.google.com/site/shoodabenengineering/home

Offline Rev Ryder

  • Officer
  • I Need a Life
  • ****
  • Posts: 8800
  • We came. We saw. We Concours-ed.
    • Presbychuck
  • AREA: South Central Area
  • COG#: 7235
  • Membership Level: Executive Director
Re: is an '86 engine identical to a 2002, with the exception of the head?
« Reply #2 on: March 25, 2017, 06:56:15 pm »
Yeah, later models had improved clutch star springs and cam chain tensioner.  The 86 cam chain,  twisty-type tensioners (if it's still original) are junk, IMHO (and Kawasaki's)... you'll want your later model if you go that way.  The heads are the same except for the valve material.  Some bits are shinier on early models vs later.
Fortis non Ferox
 Shafties Can't Wheelie