1977 Husqvarna 250cr Project

I do believe the seal is #49 on the parts list.

These seals are tough to find in good condition. I've had success using a flat sheet of Buna-N rubber, or an inner tube, cut to the appropriate width and length as the spacer groove. It works as long as the seam is at the bottom of the assembly and your rear wheel doesn't end up underwater. No riding in Blackwater conditions.

here ya go

It helps a bit, thank you.

Those photo's really help. I dont know if I have the seal but I could probably make something up like Crashaholic suggested.

Those seals are available new, along with the steel washer. Try Andy at HVA Factory. If not there is Jef Bens in Belgium.

Right on, I'll take a look.

I made a 4mm spacer for the rear axle. So this plus the existing spacer shouold add up to the 12mm that I need. I'll take some pics when I go to put the rear wheel back on and see how it all lines up.

Installed the 4mm spacer that I made and the rear wheel lined up really well. Moving on to the forks tonight. Going to go through them and see if anything needs replaced etc. Also, when it comes to ignition, I have two Motoplat ignition coils but I'm not sure if they are any good. I've heared they can be difficult. Ive seen complete ignition conversions like HPI and whatnot but I wanted to get some opinions on them. Any of you guys run them? Are they worth it?

Thanks again for all the help!

Hey all, its been a little bit. I'm looking to order some Noleen shocks for this bike and on the order form they ask for the model. Do I tell them its a WR or a CR? I'm assuming the shock lengths were different between the models. It has a CR swingarm, I don't know if that matters or not but I'm just trying to be sure cause I know if the shocks are the incorrect length it can throw off the geometry of the motorcycle.

Most of the bike is in fact a WR, so my thought is order WR shocks? Thanks again in advance.

What is the length of the shocks eye to eye that are on it now.I think the length was the same for both the CR and WR for 77 but not 100% sure on that.I just found an sales brochure for a 76 CR that shows 7.5 inches of travel and an 77WR that shows 7.5 inches of travel so they should be the same. I know the 78 models have more travel about 10 inches.
Bill

Since you have a CR swingarm on a WR frame I recommend finding out for sure what the swingarm difference is between the 77 250WR and the 250CR, before making a decision on your shocks. Are they different lengths? Are the shock mounts in a different place? Its my understanding that the 250WR used the 76 frame, swingarm, and suspension whereas the 250cr was all around new. Spending big bucks on shocks without knowing the outcome of the fit to your CR swingarm on your WR frame could be problematic as the two bikes are quite different in wheelbase, suspension travel, seat height, etc. You may also consider buying a 76 or 77WR swingarm.

1977 Husky Comparison

The shocks that were on it are gone so I have no way to tell how long they were. I believe you're right though. I think in 1978 the CR was basically redesigned but in 1977 the forks/hub were different and the rear wheel spacing?

I'd like to figure that out myself but you guys are basically my only reliable resource on these bikes lol! I have no idea where to start when identifying the swingarm differences.

I'll measure my auto swingarm tomorrow
I know it's not a cr o wr but I believe it is the same as the wr.

Do the upper shock mounts on the frame point up or down? Upload a picture of the frame's upper shock mounts. Viewed from the side.
Marty

Theres what we needed, someone knowledgeable with the WR/CR frame difference. I see that now in pics, CR mounts slant upward and the WR mounts slant downwards. Good call Marty!

Now I'm curious, is there a difference in the swingarms?

It looks like the upper shock mounts point up.

John, You will need 15 inch center to center long shocks with that frame and swing arm. But the problem is you are going to have about 1 1/2" more travel in the rear than the front if you are still using the straight leg forks you showed near the beginning of this thread.

Marty

Excellent point. But, is the ratio of front to rear travel that important for a trail rider, or are we talking about seat to front-end height? What about a shock length that would provide the proper seat to front-end height while keeping the shock stroke-length within the necessary rear wheel to fender clearance?

Another option would be to acquire a set of leading axle forks that would raise the front end height.