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jimg

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About jimg

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    Michigan / USA
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  1. I recently acquired a Pluma/Plonker that came from a high elevation. I live at about 1,000 ft. elevation above sea level and the bike runs too lean. The bike has a 24mm IRZ carb and I want to keep this carb on the bike. I know finding IRZ jets isn't very easy and I want to limit the number of jets I purchase. Does anyone know what jet sizes and needle clip position this carb came with or should have for a lower elevation? Currently, the carb has a 45 pilot and a 101 main jet. I could guess and get a 50 pilot and a 110 main, but like I said, would be nice to know more specifically without all the trial and error.
  2. I made the below post a couple weeks ago and didn't get any replies. So, perhaps someone could chime-in on this follow-on question I have. A friend of mine rode Dalesman trials bikes (with PUCH motor) back in the early 1970s. He told me all three of his bikes he had (with the PUCH) all "lost" first gear and that it is nearly impossible/very difficult to fix; I assume what's happening is that the first gear teeth break off the spline. He tells me this is a very common problem with the PUCH 125cc motors in the trials bikes. Besides not riding the bike, does anyone have a suggestion that could reduce the chances from this happening? I was thinking of preserving the 125cc PUCH motor and placing a 175cc PUCH motor in the bike. Thanks. I recently purchased a Dalesman with Puch motor; I believe the Trials model. I've searched the internet intently to find some basic information about the Dalesman and motor, but not finding what I need. I'm looking for basic service information (or website references) such as oil type and quantity, ignition setting/servicing, fork oil amount, OEM rear shock length, etc. and where to get Puch engine parts (if needed). Although I will keep as original as possible, it would be nice to know what, if any, after market items can be installed on the bike, such as carburator upgrade, ignition replacement parts, etc. Forks are 35mm, but has no lower fixing points for a lower mudguard. Thanks in advance for any replys.
  3. I do have another tank and willing to sell. send me a private message or let me know gow to contact you and we can discuss.
  4. I ran across an old OSSA here in the USA and I need help identifying exactly what it is...I just can't figure it out. The owner says it's been sitting in storage for 30 years and was told the bike is all original. The handle bars mount to the top fork yoke with U-bolts. The Frame number is B251002 and the engine number is M250154. I'm leaning towards it being a 1967 Pioneer based on the engine number and the large front hub, the rest of the bike looks like a Pluma/Plonker. Any help is appreciated. I'll try to post pictures...I don't have any right now.
  5. jimg

    OSSA MAR 4 speed?

    Thanks to all who replied. I have resolved my questions and avoided a purchase mistake...Thanks!
  6. jimg

    OSSA MAR 4 speed?

    I am seeking a 4 speed bike for a specific class "old school class" I wish to ride in the future...that's why I'm so concerned. If this OSSA were a production 4 speed, I believe it would be the best (non-modified) 4 speed out there (pre 1973).
  7. jimg

    OSSA MAR 4 speed?

    Thanks...so it appears, that if the bike is a four speed, as the seller claims (a 1971, MK1 with 4 speed trans), the motor was from a previous OSSA model or a previous owner took out a gear...but that would seem highly unlikely. I just want to make sure this bike isn't a one or two off / limited production run for the USA market. Here are a couple pictures. 2018-09-12_12-24-36.pdf 2018-09-12_12-34-45.pdf Pictures are a bit fuzzy because I had to copy image from my photo editor.
  8. jimg

    OSSA MAR 4 speed?

    Hello, I would like to know if there were OSSA MARs (MK1) with a four (4) speed transmission? I live in the USA, so I don't know if some 4 speeds were ever imported. What engine number sequence would I be looing for (M-344 XXX)? You don't have to tell me the best way to find out is to ride the bike....Lol...I would, but the bike is 2,000 miles away. The seller claims it is a 4 speed, but I have my doubts/want to confirm. I thought all MARs were 5 speeds. I appreciate any information.
  9. Thank you Stuart. I thought it was an earlier model tank, but what you said makes sense. Thanks.
  10. I'm trying to identify / gather information on this early model Bultaco aluminum slimline tank/seat. This tank is aluminum with an aluminum cap that hinges on one side. The tank has been repainted. Who made this tank? What would be the approximate year these were made and for what model Bultaco bikes (M10, M27, M49 ?) and approximate value. Thanks
  11. Very good eyes! I put the alloy side panel over the inlet tube thinking it looked better, but have since change it and routed it through. Its not a show bike, but I'm proud of the restore I did. since I have the attention a couple that know the M27, I have a few extra parts that I'd like your help on putting a value to for when I decide to sell. see picture and if you would, tell me what the parts are worth...at a fair price. I also have a second petro tank that was restored along with the one on the bike...same condition. The cylinder is in excellent shape, but I haven't measure it yet to see if it has been rebored. Thanks.
  12. Thanks for the information. I believe my question on the rear brake pivot location has been answered. I do have the flat plate footrests, IRZ carb & manifold and some other OEM parts that I've kept off. so it makes sense that someone did a modification. Thanks for confirming.
  13. May be a silly question, but from all the pictures I've seen of a Model 27, the rear brake arm pivot point is fastened behind the foot rest. On my M27, the rear brake pivot point is fastened on the inside of the frame, opposite side of the footrest. My frame does not have, nor ever looks like it had the small frame arm where the brake arm pivot should attach. Perhaps over the years, someone made this modification, but has anyone ever seen or heard of this type of rear brake pivot point on a M27? I'm wondering if there were a small batch made like this? My description may not be understood, so I have attached a picture. My frame and engine numbers match, but the frame number has a "J" stamped into it that I don't know what that designates; if anyone knows. Thanks.
  14. Thanks feetupfun....also very good to know to align it so the rim is centerline on the frame...and of course the sprockets align. With the tips I've received, I should be able to get it laced and aligned all back up correctly.
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