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Post by cyborg on May 14, 2014 23:07:09 GMT -6
Well the carb made it today,,,,,fabbed up a quick manifold extension 1.25 inches a short rubber boot and it's a go!!!!!! fired right up a small idle adjustment and it purrs like a kitten,,very small midrange stumble that i think will be taken care of with raising the needle a notch ,,man i'll tell you guys why anyone would run a cv carb over a slide carb is beyond me,,,i didn't go with with the tm series because of it being too tall so i went with the very tried and true vm series 28mm and man what a difference!!!!! i could not be more pleased,,,for less than 1/4th of the cost of the cost of the replacement from the betty crocker boys at the dealer,,,,,,,,,final cost,,,,well under $80 all in and an honest 3.5 hours for the fab and install to riding
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Doc's Anything Goes
Currently Offline
Posts: 2,739
Likes: 66
Joined: Oct 23, 2010 19:29:21 GMT -6
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Post by tvnacman on May 15, 2014 7:59:54 GMT -6
Can you post a picture of the carb ?
what engine size ?
John
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Post by cyborg on May 15, 2014 8:41:41 GMT -6
I'll get pic up tonite,,,150cc piaggio leader engine,, very clean install even got to use the original throttle cable,, I ground the end to fit the carb and a small tubing bender to reprofile the leader and it fit like a glove,,,, it looks factory
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Post by jvino on May 15, 2014 8:54:15 GMT -6
Glad to hear you got your carb. Now it's to put some miles on it. Glad to hear you like it. Hope it runs better than stock carb.
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Post by cyborg on May 15, 2014 11:08:07 GMT -6
lightyears out in front,,,and i din't really get to adjust it yet,,,it was late when i wrapped it up for the nite,,and by the ride i did get in,, it looks like i may have picked up 5-7 mph as well,,
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Post by mxmatt on May 15, 2014 14:30:48 GMT -6
We want pics! We want pics!  |
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Post by jvino on May 15, 2014 18:04:51 GMT -6
Wow that's great new a little more speed. How does your plug look you check it yet?
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Post by cyborg on May 15, 2014 22:46:23 GMT -6
went up to the top groove on the needle,,, stumble still there so this leads me to believe the midrange jet is too fat,,as far as the slightly better top speed,,,a slide carb moves 20-30% more air than a cv carb of the same size,,,sorry no pics yet,,,maybe tomorrow if it's not 110 in the shade,,,
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Post by cyborg on May 16, 2014 12:28:20 GMT -6
Well pouring thru pages and more pages of research then a short blast last nite,,, the conclusion is it's the jet needle that needs changing it has too steep of a taper I need to go a little thicker of a needle and I think it will be solved
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Post by cyborg on May 17, 2014 8:03:35 GMT -6
Sorry about the pics gang,,,should be up soon ,,,personal problems getting in the way of fun,,,AGAIN!!! Been playing doctor to my cat that got hit by a car so it's be being a temp doc with the cutest nurse assistant you ever saw working on the poor beast,,,and on top of it all it's been scorching hot 115 or so wednesday and just a few degrees off now so it's the last thing i want to do is be out in the oven which is my garage,,,,,and it's the waiting game for the jet needles i ordered,,,so i'll get on it as soon as i can,,,,more to come
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Post by Bashan on May 18, 2014 14:01:15 GMT -6
Here's Weinie Steamer's pix:
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Post by cyborg on May 19, 2014 22:17:53 GMT -6
So a very intensive but productive call from oregon resident,, carburation genius Jesse from keintec engineering,,,we measured everything,,,all the jets and needle jet were good as i assumed,,but the needle itself is the culprit,,it comes on too fast too early hence the rich midrange,,,so i go from a 4L28,,,to a 4L6 and a much slower taper
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Post by cyborg on May 20, 2014 16:26:11 GMT -6
Checked tracking,,, needle should be here tomorrow ,, thank goodness ,,, I really miss riding the ol beast
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? And again at 2033mi. 
