Kitting my a55 tomos sprint, need jetting help

So i have a 2007 tomos sprint, i have a biturbo pipe, uni air filter, and a 28 sprocket on my rear tire and im running a 58 jet with a stock carb. Im trying to get some help on what jet to use, ive searched around the forums a bunch and check out the moped tuning sheet. Im getting a lot of mixed numbers from different people, anywhere from 58-80. Im going to get an airsal 65cc kit, so what jet number should i be using?

Re: Kitting my a55 tomos sprint, need jetting help

Conrad Conrad /

I would suggest starting at 70-75 and working down. I'm in Grand Junction, CO which is similar to SLC I think

A lot of people are in California and other low altitude places than us which is why they are jetted so high. The higher altitude you are the less air, so you don't need to jet as high.

My tomos with a 65cc kit is jetted at a 70 right now on stock carb, no filter and stock carb.

Re: Kitting my a55 tomos sprint, need jetting help

Conrad Conrad /

My rear sprocket is a 22 though, so I'm not sure how gearing affects jetting if it does.

plug chop as usual.

Re: Kitting my a55 tomos sprint, need jetting help

I got a 68,70,72,and 74 so i think i should be ok

Re: Kitting my a55 tomos sprint, need jetting help

hey evan .... i have an airsal 70cc kit on my 08 tomos arrow r, using the stock carb and manifold ..... i used to have an estoril (great all around pipe btw) but now have a modded puch homoet 6p, and unipod airfilter...... i am using the stock 14mm phva with a 70 jet here in california and ripping at 51 on the flats......i think most of it is due to the gearing i have....... its running on a 26 front and an 18 rear..... i will soon have a 17t rear which will take me out to about 55-57 on the flats and increasing my mileage........ higher speeds at lower rpms=less fuel useage.........oh yeah ...... this airsal kit of mine has over 3500 miles on it already .......

homoet6p mounted

airsal

estoril mounted with broken stinger..... dont let the Sprite can fool ya

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