slipstream1

Here my friend you are wrong though about the technical aspect you are spot on.

Mikuni makes the carburettors for almost all indian bikes and also all indian cars as well and the jets are interchangeable and fit perfectly. I have run a maruti 800 mainjet in my pulsar 150 and the threads are a perfect match.

even the esteem, zen, contessa, ambassador 1.8, 118 ne, pretty much all cars that have ever had a carburettor post 90's have had only mikunis.

So the jets are very much available you just didnt look in the right place. even when i went to bike spare parts shop they had no jets , but going to a car spare parts dealer solved that.

Shreeni0403

Hello Sir, AFAIK many people use the ZMA jets to upjet the "Unicorn" which has 115 size jet. So I think the Unicorn jet should also be straight fit on the ZMA. Is there any chances that it won't fit in?

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Ganeshan

What a cheap and well-thought alternative, just the type of ingenuity you need to keep going... Brilliant, thanks for sharing that info

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Old Fox

I wouldn't mind being wrong a thousand times over if there's something to learn involved . And inputs like yours here are what we are looking for. Since this is a thread related specifically to ZMA and ZMA-R 'Altitude issues', it would be great if you could give specific inputs about parts from which carb can be used on the ZMA carb to alleviate this mixture enrichment issue. There usually are innumerable examples of parts commonality amongst machinery but reinventing the wheel wouldn't be wise if someone like you has already done it.

And yes, by and by the ZMA comes with a Kehlin CV carburetor and getting parts support for kehlin's in India has been a pain all along. Mikuni and Kehlin jets are quite different and their flow characteristics do not go well with Kehlin carbs apart from differences in thread pitch. The Mikuni's even come marked differently, their round head jets being marked according to the hole size in microns and the hexagon heads being stamped with flow/unit time. The Pulsars, Bullets, Marutis and NE's all have Mikuni's and so interchangeability is possible. Like I said, please let the forum know which jet from what carb can be a direct fit for the ZMA here.

Shreeni: if people use ZMA jets on the Unicorn, then there's no reason why they shouldn't fit the other way round. Again, sourcing carburettor parts for kehlin carbs is a real pain. Ask those who've tried upjetting the ZMA. But the 115 from the unicorn should sort out the problem as the ZMA comes with a 125 main as stock.

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vishwaschettri

Yes uni's jet 115 is a direct fit onto zma and will take care of running rich in higher altitudes. Should be easily available over the counter at honda A.S.S. If I recollect it right achiever is 119 which will be better as running 115 on highways might overheat the engine and will also dent the top whack and in gear pulling.


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vishwas