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Old 11-11-2008, 06:57 AM   #256
Corky1
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Mr O, XT350 wire diagram.
Go here for some other ideas, http://www.pbase.com/corky1/xt_350_project_bike
Good luck,
Corky




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Old 11-11-2008, 07:08 AM   #257
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Csavargo,
Here is a fix for your intake manifolds. See picts
Use wire wheel, remove rubber from manifold
Find vinyl tube that fits over manifold
cut to correct length
small hose clamp over tube to intake manifold
connect manifold to engine and connect to carbs.
Good luck, Corky




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Old 11-11-2008, 08:51 AM   #258
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Thanks corky. Sadly i had already dove into the project utilizing industrial gas resistant bond adhesive to bond the boot back to the boss. Im hoping it will work but it didnt solve the dry rot issue. I sprayed it up nice with silicone to try mitigate furthur dry rot. I like your solution a lot better than mine since it utilizes new rubber and is much more elegant of a fix. If / when my fix fails, i will be sure to use your advice.
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Old 11-14-2008, 09:15 AM   #259
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JT 845.41 steel rear sprocket

Anybody know where I can buy a JT 845.41 rear sprocket? I know Sprocket Specialists has a 41 tooth aluminum rear for my 520 chain conversion, but I want to go steel. Help!
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Old 11-14-2008, 01:11 PM   #260
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hola!
anyone have some extra jets they can lend??
with the weather getting colder i wanna fatten it up and try some things for cold weather runs.

also any carb parts?
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Old 11-14-2008, 04:26 PM   #261
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Quote:
Originally Posted by johned206
Anybody know where I can buy a JT 845.41 rear sprocket? I know Sprocket Specialists has a 41 tooth aluminum rear for my 520 chain conversion, but I want to go steel. Help!
I don't recall where I ordered mine from, but you could call the Bike Alert in Georgia (from the JT Sprockets web site). I'm sure they will help you.

Bike Alert Inc.
1465 Trae Lane, Lithia Springs
Atlanta, GA 30122, USA
Tel. +1 770 948 8880
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Old 11-16-2008, 04:15 PM   #262
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XT350 project in Colorado Springs

If anyone in the Colorado Springs area is looking for a project, I found a '91 (I think...white/red paint scheme) at ActionCycles in the back warehouse. It'll need some fixing up, but the guy at the shop says it runs okay.

Cheers----Chris
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Old 11-18-2008, 04:55 AM   #263
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Quote:
Originally Posted by cnj
I don't recall where I ordered mine from, but you could call the Bike Alert in Georgia (from the JT Sprockets web site). I'm sure they will help you.

Bike Alert Inc.
1465 Trae Lane, Lithia Springs
Atlanta, GA 30122, USA
Tel. +1 770 948 8880
Thanks.
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Old 11-24-2008, 07:28 PM   #264
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Talking 520 chain conversion

For those interested in doing this I provide the following information:
JTR845 steel rear sprockets are available from www.mxmegastore.com. I bought the 41 tooth version for $23.39 plus $11.90 shipping; front steel sprockets are available from www.sprocketspecialists.com. I bought the 15 tooth version for $22.99 with $11.38 shipping; DID520NZ 120 link chain is $34.95 plus $10.42 shipping on ebay from turbo283. Your mileage may vary.

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Old 12-05-2008, 01:21 PM   #265
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I finally have street tires, bridgestone spitfire s11 110/90-18 rear, and metzler 880 80/90-21 front. They seem to work well, and were all I could find that would fit and was not backordered until the end of time.
The maxxis promaxx m6102 is no longer made in 3.00-21.

Also, I switched the stock 55t rear sprocket with a 47t. (Chain needs to be exactly 4 rollers shorter than stock.)
Countershaft is still 19t, stock.

I haven't tried my supertrapp yet, but with the stock muffler and a cool night on level freeway at 60 feet of elevation, it would accelerate slowly in 6th at 60mph. My new 5th equals the stock 6th. 1st-5th gaps feel more appropriate now. 1st does well off the line, better than stock actually as you don't have to shift so soon, but I'm only 170 pounds with gear.
Not too much clutch work is needed but it is noticable, about like most standard street bikes I've ridden, and not as bad as most 4cyl. sport bikes.

I would not recomend this for standing starts on steep trails.

My normal 3-4 mile commute rarely exeeds 50mph and I'm not really using 6th but I like the new 1-5th feel. I may well try my 50t sprocket after I try my supertrapp.

I certainly won't be going back to stock 55t though, unless I put full dirt DOT nobbies on it. (In which case I have a 57t sprocket to try and may also try the 18t drive sproket, stock is pretty low though.)
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Old 12-06-2008, 07:49 AM   #266
cnj
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Quote:
Originally Posted by Tyko99
Came across this on the net:

Whenever feasible to obtain a specific ratio, avoid using a smaller than stock front sprocket. The smaller sprocket requires the links of the chain to turn a tighter radius, which increases friction and decreases the life expectancy of the chain (by decreasing life expectancy of the o-ring seals of the chain).



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Agreed. I don't believe it is applicable in this case, however, as the diameter of the 520 type 15 tooth front sprocket is very close to the diameter of the stock 428 19 tooth front sprocket (due to difference in pitch/tooth size, etc).
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Old 12-08-2008, 08:07 PM   #267
Burtonridr OP
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Has anyone managed to find somewhere on the internet to buy progressive fork springs? Or anyone we can call for the springs?

I'm having a hell of a time locating any
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Old 12-08-2008, 08:20 PM   #268
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Ok, I found a website that has them... They are located in the UK, but only have the fork springs for a 1985-1990 xt350.

Are the front forks the same after 1990? Are UK models the same?

I also found somewhere that said that klr250 and xr200r front fork springs are near the same (or the same) and I should be able to find progressive springs for those models, anyone know for sure?

Does anyone know what the spring rate of our front fork springs is?

Can Anyone Confirm that the front fork spring dimension is 580mm long and 38mm in diameter?
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Old 12-09-2008, 06:43 AM   #269
nails1
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Quote:
Originally Posted by Burtonridr
Does anyone know what the spring rate of our front fork springs is?

Can Anyone Confirm that the front fork spring dimension is 580mm long and 38mm in diameter?
See post 31.

I'm thinking of getting custom-built springs, based on my existing springs (I'd send them in) and the preload I get. Should work for both ends.
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Old 12-09-2008, 10:41 AM   #270
Burtonridr OP
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Quote:
Originally Posted by nails1
See post 31.

I'm thinking of getting custom-built springs, based on my existing springs (I'd send them in) and the preload I get. Should work for both ends.
Thanks,

Now I just need to find the spring length and rate of a KLR250

But if the length is right, or even a little longer or shorter it should work. The two bikes are very close to the same weight. They are only about 30lbs different. So I would think that the KLR250 progressive springs will work with the right spacer or preload, right?

I'm emailing back and forth with a rep at Progressive suspension to figure out what will work best.

XT350 specs:

Fork Spring Length = 580mm
Fork Spring Diameter = ??
Fork Spring Rate = 19.6lb/in (3.4 n/mm)
Bike Wet Weight = 330 lbs

KLR250 Specs:

Fork Spring Length = ??
Fork Spring Diameter = 29mm
Fork Spring Rate = ??
Bike Wet Weight = 295 lbs

Please let me know if anything is incorrect...
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