01 mountain max 700 jetting

[jaylaw]

Just looking for some jetting info. Its got bender triple pipes and reed spacers and everything else is stock. Im at 2300 feet right now and am running 150 mains straight across, fuel screw 2 turns out, also 50 pilots with the needles 3rd clip one washer on top one on the bottom. Sled runs awesome at that elevation but if I even go up 800 feet in elevation from there it is running very rich with no power at all. Question is what jetting can I run for altitudes up to 5000 feet and still be safe enough to get back to the truck with out burning up. Thanks.

 

[Clode]

is the airbox modified at all ?

 

[jaylaw]

No the air box is stock. I do have a holtzman vari flow also but not sure if I trust it or how to use it. It is disconnected right now.

 

[Clode]

147.5, 47.5 pilots fuel screw 1.5, needles where you have them and stock headgaskets....run shell 91

 

[Clode]

you may be able to run 145 main by try the 147.5 and see how it runs

 

[jaylaw]

Awesome thanks for the info.

 

[Clode]

the 145 would be for warm temps at elevation....burn it up at this elevation

 

[jaylaw]

So 147.5 safer? If I had the instructions for the vari flow id use it. I think it might be missing the bigger jet that goes on the half inch vent line.

 

[Clode]

So 147.5 safer? If I had the instructions for the vari flow id use it. I think it might be missing the bigger jet that goes on the half inch vent line.

yes 147.5 and full rich on the variflow, and click down when at elevation as required on the variflow

 

[Clode]

http://slp.cc/instsheets/14-235.pdf

 

[jaylaw]

Thanks for the link. I looked but could only find the newer versions. One thing is the guy I bought the sled from said that the dial can be turned around several times and I read a post saying that will ruin the vari flow. Just not sure if I trust it in case its damaged.

 

[Clode]

it should be fine, just operate it within the 90 degrees....if you don't want it I will buy it off you

 

[jaylaw]

ok sounds good. Ill re jet it to what suggested and try it. If it doesn't work out it's yours. Thank again for the info.

 

[bailer]

Yup, I had a 2000 MM700 with aaen triples and reeds.
I jetted it for 2200' at home, and then installed the Holzman tempaflow, which allowed manual adjustments for altitude.
I would adjust the dial per my gps elevation readings.
Rode with the same jets all the way up to 10,000' and it was the most crisp and clean running sled I have had!!!