REJETTING

Does anyone know what the jet size should be for a 78 KZ650 SR D1A that has Pod Air Filters and a 4 into 1 exhaust. Not sure it was ever rejetted for these.

Any Help from you Wizards would be Greatly Appreciated!

What's your altitude?

The D1a came stock with vm22ss carbs - I would suggest as a starting point the following

110 mains
17.5 pilot
remove and do not replace the #50 jets from on top of the pilots

Please note I said this is a starting point - you may find you need a smaller main and can keep the original 15 pilot.

WELL I SIMPLY GOOGLED TULSA, OK. ALTITUDE AND CAME UP WITH THE FIGURE 219.76M

HOPE THIS IS A VALID NUMBER TO GO BY. THANKS AGAIN!

Thanks for the the starting point Bud. Now the trick is to find someone who sells these sizes.
Is it possible to drill out your own sizes using a MICROMETER? If all else fails of course.

I've had great luck with www.jetsrus.com They've had everything I had been looking for. Good luck

You can get the mains from Z1E for 1.25 each

If you got the two next sizes up it would only cost you ten bucks plus shipping.

JD

Get hold of Jeff at Z1, very knowledgeable and helpful crowd there, with pods and a 4-1 you would want a Dynojet stage 3 kit, should put you right on the money, if not bloody close.