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  1. B

    Single carb manifold for Ambassador, Eldorado

    I recently converted an Ambassador 750 motor from dual carbs to a single 38mm HD carb . It was a very successful conversion, the motor ran very well and I enjoyed all the delights of single carb maintenance. However, I sold the motor without the single carb and manifold. The carb and...
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    2007 ie Breva starting problems

    Well, I did get the engine started and it runs pretty good. So far I have three test drives completed, each one longer than the rest. Yesterday I survived a short run on International Speedway Boulevard mixed in with Daytona Bike Week traffic. There are a couple of videos I posted to You...
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    2007 ie Breva starting problems

    John: My injectors are mounted in the intake manifolds in their original location on the cylinder heads. Anyway, I used your suggestions for starting and had much success. While cold the throttle pedal had to be used till the engine was warm enough to idle properly. After that all was well...
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    2007 ie Breva starting problems

    John: The injectors are mounted in the original position. Temperatures being reported to the Centurion are the air temperature in the shop. I only moved the throttle bodies back about 10". And, sign216. I do have the throttle/stop mechanism incorporated. I'm off to the shop to try your...
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    2007 ie Breva starting problems

    So, I have finally sorted my 2007 Breva-engined kit car conversion to the point where the motor idles and runs pretty well. I had to totally relocate all the major fuel injection components, instrument panel, ECU and engine connections and make up a new wiring harness. I had to extend the...
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    Breva 750 TPS reset

    All: Here are some more images of the Breva 750 ie engine conversion of my Pembleton Supersport kit car. bobsbreva750
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    Breva 750 TPS reset

    Yes, John, I have reset to the Alphalin_0 channel. Thank you for your reference to another thread to help me understand what the VDST is telling me. I had been using the rather wordy explanation by Eric Mastrocinque but while his explanation became clear he didn't actually tell me how to do...
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    Breva 750 TPS reset

    I have been using my VDST for two days and have been struggling to reset the TPS as noted in one post on the procedure for synching the throttle bodies with the VDST. Here is the link for that: http://www.technoresearch.com/Manuals/M ... eset(VDSTS).pdf. It's simple and straighforward...
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    Speedo sensor triggers

    John: Thanks for clearing up the question I had concerning the speedo installation. The Citroen 2CV gearbox has a front wheel drive where the drive shafts attach at the gearbox with six bolts at about the same diameter as the rear brake disk on the Breva. That diameter is a little smaller...
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    Speedo sensor triggers

    Motogeezer: See my blog at pembletondaytona.blogspot.com. Getting the Breva ie 750 engine running has taken several months so far due to both electronic efi and engine mechanical problems. The combination of those problems has kept me from posting updates to my original blog post because I...
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    Speedo sensor triggers

    I'm trying to make the OEM speedo work on the Breva ie 750 engined kit car. Since the sensor must be relocated to somewhere in the drive train I have been trying to discover what triggers the sensor. I found that sticking six magnets on the surface of a rubber drill pad at about same diameter...
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    Breva ie 750-making some progress?

    On my 2007 Breva ie 750 motor which will now idle, but poorly, the left cylinder would be at a temperature of 125 F and the right cylinder will be at 550 F. There's not as much backfiring as there used to be. Does anyone know why this would be the case? Thanks, bobsbreva750
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    Push rod tube caps

    Thank you all for your wise counsel. I ordered them from Harper's Moto Guzzi and they have had to backorder them so I got suspicious since there were none at all on my engine. Now I can proceed with repair with just new gaskets and not have to wait for the caps. One learns with every repair...
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    Push rod tube caps

    The Breva ie 750 parts catalog shows rubber caps at the top of each push rod tube. My motor does not have those caps installed. Can anyone tell me what their function is and are they necessary for proper engine operation? Thanks, bobsbreva750
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    2007 Breva ie 750 weak volts to coils and injectors

    I am installing an 2007 Breva ie 750 motor into a Pembleton Supersports kit car (pembletondaytona.blogspot.com). I have the engine bolted to the gearbox and am trying to sort the fuel injection electronics. I am using the original Moto Guzzi harness as a starting point and have connected the...
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