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General Category >> Rubber Side Down! >> Drill your own Jets! (pics)
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Message started by Stimpy on 06/20/07 at 11:33:15

Title: Drill your own Jets! (pics)
Post by Stimpy on 06/20/07 at 11:33:15

We all saw MacGyver right? Well in that same spirit you can save the hassel (and $) of getting a new jets by doing it at home.

I always felt my bike was running a bit lean since I installed a free flowing exhaust even with the pilot screw 3 3/4 turns out. Now with a "new" 160 main jet the problem seems to be mostly gone ;D

After this simple mod the bike feels somehow less 2-stokey and more 4 stroke and really pulls like a tractor at high revs, quite a change. We'll see about the mileage.

http://w2.bikepics.com/pics/2007/06/20/bikepics-937953-full.jpg

http://w2.bikepics.com/pics/2007/06/20/bikepics-937959-full.jpg

Any thoughts?

Title: Re: Drill your own Jets! (pics)
Post by vroom1776 on 06/20/07 at 11:37:15

tried and true race track method!
of course, you really don't knwo the size in terms of mikuni #s....

but how do you go down in size?

tech sect article?

Title: Re: Drill your own Jets! (pics)
Post by Stimpy on 06/20/07 at 11:49:13

You don't. ;D
It's a one shot deal.

To go down you'll need new jets of course, but till now all is A-ok.

Title: Re: Drill your own Jets! (pics)
Post by Savage_Rob on 06/20/07 at 13:56:02

Personally, I'd rather just spring for the $3 at the nearest HD dealer and keep the original as-is.

Title: Re: Drill your own Jets! (pics)
Post by verslagen1 on 06/20/07 at 14:12:38

what would you've done if it were too rich? Walk to the nearest dealer? or 2 weeks to deliver?

10 minutes up, 2 weeks down. ;D

Title: Re: Drill your own Jets! (pics)
Post by Stimpy on 06/20/07 at 14:59:39

Yeah, I know. The thing is that you HAVE to be a bit creative when you live in the middle of nowhere in the 3rd world (beach house in Baja!) ;D And only get to go to the states to check your PO box and do your banking every 6-8 weeks.

http://www.ricardoponce.fotopic.net/p28821204.html

Title: Re: Drill your own Jets! (pics)
Post by Ed_L. on 06/20/07 at 16:00:35

The wire tip cleaners used for a cutting torch can work as a make do drill to clean out or oversize a jet. Another race track tip. And no you can't go back once it is drilled out. ;D

Title: Re: Drill your own Jets! (pics)
Post by vroom1776 on 06/20/07 at 16:34:33

verslagen1 wrote:

what would you've done if it were too rich? Walk to the nearest dealer? or 2 weeks to deliver?

10 minutes up, 2 weeks down. ;D

yeah, but it's okay to run a little rich for a while... better than lean!

Title: Re: Drill your own Jets! (pics)
Post by Stimpy on 06/20/07 at 19:28:02

In theory, what are the effects of running a bit rich other than a dirty plug and uneffective combustion?
...and blue flames ;D

Title: Re: Drill your own Jets! (pics)
Post by riptide_fl on 06/21/07 at 03:55:10

It's easy to go down in size,,,just get out your solder gun or iron and fill the hole with solder..re-drill to any size you want.. ( another racing tip ) ;D

Title: Re: Drill your own Jets! (pics)
Post by Savage_Rob on 06/21/07 at 04:36:50

Ensenada huh? I used to like that place. From 32nd Street, take the trolley to San Ysidro and cross over to TJ. Hike to the bus station and grab a bus to Ensenada. Spend a day or weekend there and then head back to the ship.