what are the differences if any? what mods would i need to do to beat the banchi up a sand dune? i own scramblers that are heavily modified now and cant come close going up the sand dunes. thanx for any input.

 

both bikes are pretty much the same other than the swingarm is a couple of inches shorter on the '89 and it is alloy rather than steel. as far as mods...a 38mm. carb some mild porting and a high-rev pipe and you will eat banchees for breakfast

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the 88&89 had different portsthan the 86.it gave them about 2 more horsepower

 

and you guys can't forget about solid red plastic and a cowl mounted headlight on the 88/89 250r's. didn't they change the whole motor design?? the 86's were the same as the atc's motor right?? well, i know the pipes are different for the two.

 

I know the swingarm was slightly shorter on the 88/89. Also, I believe the 87-89 had a longer rod than the 86 but don't quote me on that.

 

THE 86 HAS ADJUSTABLE CAMBER
THE 89 HAS ONE INCH WIDER ,
ONE INCH FOWARD A-ARMS AND
ONE INCH SHORTER SWINGAEM
THEY MADE THE CHANGES IN 89
TO BETTER SUITE MX TRACKS
I HAVE A 86 DONE TOP TO BOTTOM
SET UP FOR THE WOODS
( WHERE THE REAL RIDING IS DONE)
THIS THING IS SCARY FAST
HOPE I COULD HELP

 

I know that the clutch was beefed up on the 89 and I think 88-89's have a longer rod, cosmetics are minor but numorous.

 

The 87-89 have a long rod, 86 Short rod.

The 88-89 have shorter swing-arm (Better Turning).

The 86-87 rear motor mount is mounted to the swing-arm pivot, whereas the 88-89 mounts to the frame.

The 88-89 has a better front-end geometry. (Better Turning, and Handling for MX)

The 88-89 is lighter, at the expense of actually not being quite as strong (No big deal when a frame is only supposed to be raced on for 2 seasons; who knew they would last 10 seasons or more/ as a freind pointed out though, how many motorcycles frames could hold up to that much abuse?).

The 89 has an updated clutch, which the others can have done for about $60.00.

There are other small changes like headlight location and plastic color, but they don't affect performance.

Basically racers like the 88-89, whereas duners actually like the '86.

Sickman

 

What are the updated clutch part numbers?
What parts are involved?
Does it matter if I use a Hinson Basket?

thanks,
phil

 

The updated clutch parts can be bought at any Honda dealer. It is actually a set with a new front clutch cover (Not basket, but the cover the clutch springs go through), push-rod, and bearing. It may be called the clutch push-rod assembly, but I'm not totally sure if that is the correct term used. Thats all that is neede to make the clutch action smoother.