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H1, 1970 http://www.kawi2strokes.com/forum/viewtopic.php?f=13&t=11615 |
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Author: | 900SL [ Fri Dec 09, 2016 1:16 pm ] |
Post subject: | Re: H1, 1970 |
Thanks Gregz - update will follow during this weekend, as lotsa things are happening right now Yep its my trusted Alfa 2000 Spider Veloce lurking in the background. Actually a Sacramento car exported to Denmark in beging of 1990-ties and completely restored in Denmark (not by me) Born with the infamous Spica mechanical injection, but now build back to Euro-specs (= 2 X double barrel Weber carburettors) |
Author: | 900SL [ Tue Dec 20, 2016 5:30 pm ] |
Post subject: | Re: H1, 1970 |
... but of course, I managed to lose one of the plugs during ultrasonic cleaning. This one: (picture taken before cleaning ) so I spent some days looking for shops where to buy some brass rods in approximately the right diameter. Incrediblew hat you can buy on the net today. A piece of correct lenght was cut out, ends grinded smooth, and i was almost a press fit, but I added some 2-component "Alraldit" glue as well. Epoxy based stuff but better safe than sorry. Checking the float level: - one float had a dent, but to be sure, I replaced all three. I wanted to use as few Keyster or Sudco parts as possible, and as many original Mikuni, but this is no easy task, as many of the original Mikuni parts (easily recognizable by the small logo) are no longer available. Main jets, needle jets etc. can be found as original parts, but the tricky bits are the jet needle and the needle jet. To my luck there is this great company in Sweden, my neighbour country: http://www.braigasen.se/ The company name can possibly be translated to "good throttle response" or similar The owner was very paitient, as it took quite a number of E-mails before I understood exactly what was possible / not possible. A 1970 Euro H1 should originally have a 5EH7 Jet needles in a 194 #O-2 Needle jet, if its to be in standard configuration. The 5EH7 needles was obtainable on Fleabay, but the 194 is not in Mikuni's stock any more, so Christer eventually modified a 159-O2 needles like this: 1. Shortened the overall lenght of the Needle jet by 2mm 2. Lowered the shield to 2.4mm 3. Drilled and made new thread in the needle in order to accept Jet N100.604 Its important that both the Jet needle and the Needle jets are corresponding, and that both are renewed during a resto, as these parts will wear over time, due to the needle sliding up and down (most UP, i guess ) inside the the Needle jet. Additionally, Christer also supplied the neccessary gaskets, float valves etc. Nice work! Almost finished (apart from float chamber screws): |
Author: | RODH2 [ Mon Dec 26, 2016 7:13 pm ] |
Post subject: | Re: H1, 1970 |
Very neatly done! It does bring home the age of the Triples, that assembly would be a 2-piece clip together plastic moulding these days! |
Author: | 900SL [ Tue Dec 27, 2016 3:52 am ] |
Post subject: | Re: H1, 1970 |
Exactly |
Author: | RODH2 [ Wed Jan 04, 2017 6:44 pm ] |
Post subject: | Re: H1, 1970 |
Well, I am/was a spray-painter by trade, and I had a NEW red H1......my heart skipped a beat when I saw that tank, memories came flooding back! (have you done the front brake yet? ) That paint job is better than anything the factory did, it WAS 1970, after all, but this is a special kind of re-build. I feel like throwing all my H2 stuff back into the corner of the Garage!! Great thread! |
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