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Old 10-21-2011, 07:46 PM   #106
oregoncoast
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I would not worry about the Oregon rectifier. They are damn good units at damn good prices...and they have a great warranty.
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Old 10-28-2011, 11:25 AM   #107
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Stuck Clutch

Since I'm waiting for the carb parts to arrive, last night I decided to tear into the stuck clutch issue so that when we got the carb dialed in she would be ready to ride. It turns out its a good thing the clutch wouldn't break loose (I tried all the normal tricks first) as the plates were pretty nasty. I also found that (once again) all the bolts and screws were relatively loose. I'm really not sure how this thing ever ran.

Before (note heater buddy, it's gettin' cold at night in the hills of Oregon)



Note gunky oil & grungy crankcase, another benefit of tearing into this, I had not changed oil yet (my bad)



Tear down was fairly easy as the majority of all fasteners were already loose. The clutch pack was firmly stuck together in one rustly lump



Clutch plates were very rusty and bonded together, it took a lot of persuasion to peel them apart



The friction plates were lightly buffed on wire wheel and then got more agressive with the steels, they looked pretty good when finished, then began the reassembly, this is as far as the reassembly got last night



Less than an hour left to finish asssembly, when carb parts are here, this bike should be ready for riding, stay tuned. I promise we will be getting back into the twin cylinders soon.
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Old 10-31-2011, 09:35 AM   #108
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SL100 Finished (Phase 1)

This weekend I finished up the SL100, at least the first phase. My intention has been to get the bike running properly in stock form, so my daughter could ride and enjoy it before boot camp, and then later as time allows will modify and improve for when she rides it in vintage mx.

After finishing the clutch, I went back to the carb. The new needle and orifice needed installed, so once again I took the carb apart and with some gentle persuasion had the orifice out. One look under the magnifying glass told me the whole story. No wonder I could not get this thing to run right! The orifice was rough, worn and egg shaped, the needle somewhat less worn but still showing signs of a long hard life. Put in the new pieces and fired it up. It was so lean now it would hardly run. I tried raising the needle one notch which helped a little, but it needed more. When I originally rebuilt the carb I'd put in a 105 jet that in some books is shown as the stock size, but in others it shows a 110. I had a new 110 so put that in and it really started to come around. A few finer adjustments and at last a decent running 40 year old baby thumper!

The old worn parts, towards the bottom of the orifice you can see that it is egg shaped;



First ride on her "new" bike;










That does it for now. Back to the vintage twins!
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Old 10-31-2011, 09:45 AM   #109
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Cool, I'm glad to hear you got the 100 running well. Now I just need to get you the CL350 so you can get that going to sell to pay for improvements to another 350 twin

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Old 10-31-2011, 12:18 PM   #110
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Amen brother!

My next move is to get back on the exhaust project, stay tuned for updates!

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Cool, I'm glad to hear you got the 100 running well. Now I just need to get you the CL350 so you can get that going to sell to pay for improvements to another 350 twin

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Old 11-01-2011, 05:55 PM   #111
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Nice!!!
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Old 11-01-2011, 09:51 PM   #112
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Looking good Rick.

Got any tips for a stuck carb? I'm working on a CL100 right now....tried WD40, tried brake cleaner, vinegar, etc.

Just got some special new WD-40 rust desolver stuff, we'll see if that works. Haven't tried boiling it yet.
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Old 11-02-2011, 09:01 AM   #113
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stuck carb

Assuming you mean the slide is stuck in the bore?

Something I have not tried but keep hearing about is coca cola. Apparently it is very acidic, and just might work.

Here is one of many links describing in some detail why this can be effective;

http://www.antique-engines.com/rust-coke.htm

Although this is touting primarily for removal of iron oxides, it may still be worth a try.

Would love to hear back if this actually works???

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Originally Posted by Kootenai Rider View Post
Looking good Rick.

Got any tips for a stuck carb? I'm working on a CL100 right now....tried WD40, tried brake cleaner, vinegar, etc.

Just got some special new WD-40 rust desolver stuff, we'll see if that works. Haven't tried boiling it yet.
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Old 11-02-2011, 01:11 PM   #114
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I'll report back about the new WD-40 I used.

I'll try the coca-cola trick, and yes it is the slide that is stuck.

White vinegar worked very well on the rusty tank.



*edit* - Yup..new WD-40 formula worked very well. Got it free tonight without much effort.
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Old 11-14-2011, 10:46 AM   #115
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Industrial Therapy

This weekend was able to spend several uninterupted hours out in the shop and decided to get busy on the bike trailer, so I can haul the various 350's around to get worked on as well as hauling them to events and races. I do have a truck, but it has two major flaws; it is a big gas hog and pretty tall, making loading bikes in the back a real chore. The trailer is low and easy to load and can be pulled with my rice burner and save gas money.

Before, not sure what this trailer started life as, we are thinking maybe it was a tow dolly? Previous owner had added some good and bad touches, most of which will be dispensed with using the "hot wrench"...



After initial surgery with torch and grinder (Industrial Therapy!)



After more surgery and new center rail welded in



With outer stub rails tacked in place, decided since the original wider side rails were an intrinsic part of the structure it just made sense to leave them in place, but trim back a bit and install smaller extensions. Next step will be to finish out the front wheel racks and build on some kind of storage box and maybe a gas can holder.

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Old 11-17-2011, 02:40 PM   #116
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I Have It Too

Must be a sickness of some sort. Here's mine. Since I'm too old and busted up to race anymore, mine has no purpose but to amuse and entertain. At 10,000 RPMs on a country road with the Snuff-or-Nots turned out, it puts a big grin on my face!

Got it for "free" from a local AHRMA racer's collection of parts bikes. Spent a winter getting it to run right. Added kill switch and NOS Honda Redwing shocks from Omar's. Needs more frame tabs removed and a paint job, I guess...

1971 Honda SL350
1976 Yamaha TT500
1884 Honda XL125S
1985 Yamaha TT600
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Old 11-18-2011, 09:35 AM   #117
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very cool!

Your bike has a great look to it, just add number plates and go flat trackin'!!!!!!!

These bikes do have a great sound of their own, glad you shared you with us!

You are right, it is some kind of sickness but the good kind I think. Have met several nice people thru this site and am going to Baja with OregonCoast (Paul), Luke & Paul Jr to help with Paul's SL350 in the 2012 Mexican 1000, it will be the adventure of a lifetime.

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Must be a sickness of some sort. Here's mine. Since I'm too old and busted up to race anymore, mine has no purpose but to amuse and entertain. At 10,000 RPMs on a country road with the Snuf-R-Nots turned out, it puts a big grin on my face!

Got it for "free" from a local AHRMA racer's collection of parts bikes. Spent a winter getting it to run right. Added kill switch and NOS Honda Redline shocks from Omar's. Needs more frame tabs removed and a paint job, I guess...

1971 Honda SL350
1976 Yamaha TT500
1884 Honda XL125S
1985 Yamaha TT600
2005 BMW R1200GS
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Old 11-18-2011, 10:40 AM   #118
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Sl350

Thanks for the kind words. Anymore, I mostly just ride to BMW rallys and do the annual dual sport Sheetiron 300 and a bit of local trail riding. Haven't raced for 35 years, but love to go to the occasional National--dirt track, road race, whatever.

2012 Mexican 1000 sounds like a great adventure. How far south will the course go? I love the Mulege, Loreto and La Paz area. I'll be watching this thread for your reports!

Rod

Klamath Falls

P.S. If the SL350 sickness progresses, I know where a 1972 model with the 21" front wheel and an old 400cc conversion lives, unloved.
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Old 11-18-2011, 07:00 PM   #119
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Quote:
Originally Posted by oldairhd View Post

2012 Mexican 1000 sounds like a great adventure. How far south will the course go? I love the Mulege, Loreto and La Paz area. I'll be watching this thread for your reports!

Rod

Klamath Falls
We're stopping in Loreto for an overnight assuming they keep the same pace as the last two years. The race ends in La Paz right at the Malecon.

Photobucket
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Old 11-18-2011, 10:37 PM   #120
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P.S. If the SL350 sickness progresses, I know where a 1972 model with the 21" front wheel and an old 400cc conversion lives, unloved.


We (LC Garage and me) are always looking for orphaned SL350's. PM's work great
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