mods for better mpg

[michaelwoodcock]

Hey man, whats your mileage up to now?
I will tell you a few things that have worked in my past experience.
My experience =









things that help:
1. exhaust
2. gearing
3. CDI

4. tune!!!!! A well tuned motorcycle will trumph a poorly tuned bike any day. Forgive me, I am unfamiliar with the honda valk. But, is it fuel injected? if so, a power commander with a very small fuel cut would help. It is probably not throttle by wire (which can be programed with a kit) if it's carbed, you could maybe get away with lowering the slide needles a touch to decrease acceleration gas used.

5. tires!!!!! I don't suggest running highly increase PSI on the front. You would still want stopping power. I have in the past noticed a 2-10 percent increase with slick, slim, higher PSI tires. Check out the pirelli sl 26's to get an idea of what I ran. I ran those on my honda ruckus, at 44 psi. It was perfectly safe, because the drum brakes coudn't overwhelm the grip of the tires at that PSI.

The stock honda ruckus can get 80mpg or more, I got over 90 with variator, the tires, CDI, and a different (more conservative) carb needle. Not to mention, a 47mph top speed.

Ideas of yours I like:
1. windscreen. You could do a coast down test to find the best config! (just an idea) if you don't mind spending a few (or a lot) of $, you could get a veypor 2 (VR2) gauge to calculate these tests for you.
2. The gas tank vent re-routing. WOuld deffinatly help with a fuel injected bike that has an o2 sensor, not sure about the valk though. Is it fuel injected?

if it is carbed, be sure to tune it to run stoichiometric (14.5 to 1) on hot air! that would help out right there!!! if you need some jetting advice go to carbtune for CV carbs, or google it for slide carbs


Oh yeah, you can put a shim on your carb spring if it is a CV carb. That'd help!