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Post by ruppluver on Mar 29, 2012 12:09:57 GMT -6
 Another summer project!! The sled is already parted out,a new tunnel has been put together w/parts from old 634 sled. I found the gearing very interesting on this sled. The top gear is a 17 tooth,bottom is standard 28 tooth gear. Why the 17 on top? I'll put a 15 on top,28 on bottom& a red spring in the primary clutch.The spring in the secondary was in the 3rd hole of the 3 holes. What was gained by this?  I will be using an NOS center drive track instead of the dual drive track;I don't have any NICE dual drive tracks!!! |
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Post by drrupp on Mar 29, 2012 15:25:22 GMT -6
The 800 Magnums had a tripple chain and gear. The 17 tooth was an option you could get for any of the Rupp's it added more top end speed. I have them in a few of my ride around sleds. Dan
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Post by ruppluver on Mar 29, 2012 19:03:13 GMT -6
Yup,you are right on the Magnum,triple chain.
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Post by ruppluver on Apr 4, 2012 20:01:16 GMT -6
 Track & suspension is in,after a 3 day layoff.Has Brandts 10 tooth drivers,front & rear! re-lined idler wheels,new bearings/seals,front & rear. NOS center drive track.  Working on exhaust.  Also had to put the secondary clutch on,to check for clearance on the steering side!! |
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Post by ruppluver on May 2, 2012 21:09:59 GMT -6
 Here's the exhaust tack welded together,will finish welding & painting it tomorrow.  I cut all the "EXTRA" junk out of the muffler.damn MICE!!!  Have all the fiberglass work roughed in,just needs to be ground,sanded, primed & painted.  OK, the seat riser was actually NARROWER than the tunnel!! BY quite a bit. Used galvanized flat stock & shimmed all 3 sides! Now rear compartment fits like it should.It amazes me what I actually have to do to these sleds,to get them ready for ole man winter.  |
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Post by ruppluver on May 6, 2012 19:42:01 GMT -6
 Got the exhaust welded up & painted. I put the exhaust on & ran it.Kinda loud,but liveable.  The running boards get slippery in the winter! I have tried the rubber mat,that doesn't work. I've tried the non skid,self sticking,sandpaper stuff,that no workie. I looked at my riding lawn mower today and noticed it had "dimples" for traction. I had a couple of dies made.I tried them out today. The die tool & piece is pictured.  This is fastened to the sled,actually,both sides are,with pop rivits. |
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Post by Deleted on May 7, 2012 9:10:02 GMT -6
very cool Dan
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Post by ruppluver on May 7, 2012 18:19:07 GMT -6
Thanks cyberlynx. It's always fun to build a sled that is NOT STOCK!! And mine aren't stock.  |
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Post by ruppluver on May 13, 2012 11:44:59 GMT -6
 Heres the rear compartment done & attached to sled.  I brought the hood in,fixed the worst areas with fiberglass & mat! Tried soda blasting on inside of hood,it will work to take the black residue off. All decals & other parts are off the hood. Now, I will tackle ALL the cracks!! Yikes! |
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Post by magnumed on May 13, 2012 16:38:17 GMT -6
Dan I have a 634 exhaust around here if you need it? The 634 looks good and probably will take the shoulder out of place trying to start it...
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Post by ruppluver on May 13, 2012 20:35:28 GMT -6
Dan I have a 634 exhaust around here if you need it? The 634 looks good and probably will take the shoulder out of place trying to start it... Luckily for me,this is a 2 pull to start engine!!! Never taken more than 2 pulls. It has a steel cable in the recoil tho'. Thanks. |
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Post by ruppnobody on May 13, 2012 23:07:09 GMT -6
Yea I pulled my back out starting mine now I put a little gas in the carb she start first pull
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Post by Ruppsforever on May 14, 2012 16:49:48 GMT -6
That reminds me of when we were getting dads 295 Magnum running for the first time. I messed up my wrist and missed a day of work. Man were people giving me shit at work the next day !!! That 634 is looking good !!!
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Post by ruppluver on May 26, 2012 11:55:44 GMT -6
   The 634 all cleaned,painted & installed. Also ran it for a short time;it sounds BAD!!! Nothing like a big block Hirth. |
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Post by ruppluver on May 26, 2012 15:45:10 GMT -6
 Dash is cleaned,painted & installed,with JD Cyclone speedo/cable & Rupp switch!! The hood is also patched & installed to try & adjust it.Might have to shim bumper out just a tad. |
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Post by magnumal on May 26, 2012 17:52:07 GMT -6
that is great work !!1
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Post by ruppluver on May 27, 2012 11:53:26 GMT -6
Thanks magnumal. So far,this has been a fun resurrection! I ran it today for about 5 minutes,idles nice,hit the throttle,shes ready to go. Good thing it's clamped to my sled CROSS with wheels. |
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Post by Stretch on Jun 5, 2012 20:50:32 GMT -6
Dan, that 634 looks sweeeet! I fell in love with my Hirth 438 after DC restored it and can't wait to get it on the trail Keep up the great work!  |
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Post by ruppluver on Jun 5, 2012 21:38:24 GMT -6
Thanks stretch.
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Post by ruppluver on Jun 9, 2012 15:14:42 GMT -6
 Got the last piece cut[cover]for my seat riser compartment.  Got the handle bars cleaned up & put in. Hooked up the brake cable & adjusted the brake. Also hooked up the throttle cable & adjusted. Cleaned,modified[replaced broken wires,also had to add on to some, for the lights],& installed the wiring harness. Sled started,1st pull,it scared me! While it was running,I checked the lights,speedo,carb & ignition.It's amazing that all that stuff works. I think I'm on a roll! Well, it's HOT outside[mid 90's],cool in the shop,overhead fan is on,the radio is turned to the oldie station[106.9]. Ya know,life is OK!! Oh,the seat is at the upholstery shop.  |
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I cut all the "EXTRA" junk out of the muffler.damn MICE!!!
