carb adjustments

H2RICK · Post by **H2RICK** » Tue May 26, 2009 8:18 am

All right, Odin !!! It is amazing how so many head-scratchers have simple solutions. Glad to hear you've solved YOUR head scratcher.

ja-moo · Post by **ja-moo** » Tue May 26, 2009 11:50 pm

Odin wrote:It was the plunger!
now both plugs have a tan color.
now on Wednesday when I have the chance to ride I'll see if the larger main jet solved the surging engine when I try to maintain a constant speed.

thanks again guy's I will keep you posted.

The main is the main system from 3/4 to full throttle. If your surging below that, then it's your needle position.

Odin · Post by **Odin** » Wed May 27, 2009 9:04 pm

ja-moo wrote:
Odin wrote:It was the plunger!
now both plugs have a tan color.
now on Wednesday when I have the chance to ride I'll see if the larger main jet solved the surging engine when I try to maintain a constant speed.

thanks again guy's I will keep you posted.
The main is the main system from 3/4 to full throttle. If your surging below that, then it's your needle position.

I was surging at 3/4 now that's gone and its happening at lower throttle. Its not quite surging tho its sort of a bucking/surging mix.
When I increased the main jet I put the needle to the stock position.
Should I raise it or lower it. I'm so close to having her run properly (after a year) I can feel it.

ja-moo · Post by **ja-moo** » Wed May 27, 2009 9:58 pm

Be safe and raise the needles, see if that's better.

Odin · Post by **Odin** » Wed May 27, 2009 10:58 pm

I'll try that first.
it's weird, after my ride I noticed that my gas mileage has significantly decreased, she blubbers a bit upon acceleration and the/these symptoms begin after I have been riding for a half hour or so... in other words after the engine is hot.
my manual tells me that this is a sign of being to rich.

I will raise the needle first cause as you said, "be safe" but holy cow! anything over half throttle and she preform like a champ! I can totally feel the thrill in modifying these bikes for the track

H2RICK · Post by **H2RICK** » Thu May 28, 2009 7:58 am

after my ride I noticed that my gas mileage has significantly decreased,

Now that you're getting the jetting "fatter", you'll notice your fuel disappearing a lot quicker, Odin. High performance strokers are not air cooled.....they're "fuel-cooled", IMO. Just be glad you're not messing with an H1 or an H2. Your wallet would know REAL "fuel" pain, for sure.