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Post by camman70 on May 24, 2020 8:26:02 GMT 1
Hello I am after some information about refitting the needle jet to my Mikuni 10w carb which I have just noticed that one side of the jet has 3 holes and the other side has 2 holes,which way round should this be fitted with the 3 holes facing the engine or the 2 holes facing the engine or does it not matter ?
Any help would be appreciated.
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Post by tony2stroke on May 24, 2020 9:32:24 GMT 1
Hello I am after some information about refitting the needle jet to my Mikuni 10w carb which I have just noticed that one side of the jet has 3 holes and the other side has 2 holes,which way round should this be fitted with the 3 holes facing the engine or the 2 holes facing the engine or does it not matter ? Any help would be appreciated. Shouldn't the carb body have a locating brass pin protruding to locate the needle jet and stop it spinning, you shouldn't be able to fit wrongly unless the locating pin is not there or has pushed through to the other side. |
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Post by zig on May 24, 2020 12:01:09 GMT 1
As Tony has pointed out it will only fit and seat one way
there is a small recess in the brass body that will line up in the channel in the carb
ZiG
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Post by camman70 on May 24, 2020 15:31:23 GMT 1
Thanks for the replies but I think I may have used the wrong word I was meant to say jet nozzle which has no locations on the nozzle for reference.
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Post by zig on May 24, 2020 16:41:02 GMT 1
Thanks for the replies but I think I may have used the wrong word I was meant to say jet nozzle which has no locations on the nozzle for reference. a picture paint's a thousand words , can you post some? the nozzle is the brass bit in the middle of the carb the needle goes thru , is that what you are talking about? ZiG |
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Post by camman70 on May 24, 2020 17:23:54 GMT 1
Sorry I am new to the forum and not sure how to add pictures.
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Post by tony2stroke on May 24, 2020 18:24:19 GMT 1
Sorry I am new to the forum and not sure how to add pictures. Do you mean the nozzle or emulsion tube, ie the part the main jet screws into, can't think of anything else you could be talking about. |
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Post by camman70 on May 24, 2020 18:28:18 GMT 1
Yes the part that you can view when looking through the carb from one end to the other and the needle goes inside of it and is located below the main jet holder.
Thanks
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Post by tony2stroke on May 24, 2020 18:38:54 GMT 1
Yes the part that you can view when looking through the carb from one end to the other and the needle goes inside of it and is located below the main jet holder. Thanks Then its as I said in the first place mate, should have a brass locating pin in the carb body, and the needle jet should have a little cut out at the bottom where the main jet screws in. Edit these two bits should line up. |
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Post by camman70 on May 24, 2020 18:44:44 GMT 1
There is no locating pins or holes in the carb body or the nozzle and the nozzle is a total circle both ends and this is the issue so it can be fitted any way round with no location.
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Post by tony2stroke on May 24, 2020 18:58:47 GMT 1
There is no locating pins or holes in the carb body or the nozzle and the nozzle is a total circle both ends and this is the issue so it can be fitted any way round with no location. Sorry mate, we are going to need pics to help, it doesn't add up. |
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Post by tony2stroke on May 24, 2020 21:13:31 GMT 1
PM sent
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Post by 125lc1dt on May 24, 2020 22:40:16 GMT 1
I did a needle jet on a Mukini carb (10v) Just a interference fit. If it’s a B type then wouldn’t thought holes matter as fuel drawn up around jet
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Post by camman70 on May 25, 2020 9:45:42 GMT 1
Thank you to everyone who offered suggestions and I think I am now happy with the outcome.
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Post by tony2stroke on May 25, 2020 9:55:39 GMT 1
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