News:

The simplest way to help GStwin is to use this Amazon link to shop

Main Menu

What to do, after K&N airfilter

Started by Lou, September 02, 2007, 03:46:20 AM

Previous topic - Next topic

Lou

Hi guy's,

Sorry if I've posted this in the wrong area.

Just a question about putting in a K&N air filter.

My bike is a gs500f k4, I've just had a Staintune Shorty put on, and the next step is the air filter.  Now what do i need to do,  with the rejetting/carbs etc.
Could you please give me any help with this, so my bike is running like new again. :)
Or any advise with the do's and dont's.
Thanks Lou
I would add a photo, but do not have a clue how too!!! :laugh:

ohgood

Try the search function up top. It works, not always the way you think it should, but it does.

There is a rejetting matrix, and you can get a really good idea there.

To post a picture, you need to host it somewhere (picasa, imagebucket, etc) and link to it with that button just above the  :laugh: symbol up there. you'll see how it works.

Enjoy !


tt_four: "and believe me, BMW motorcycles are 50% metal, rubber and plastic, and 50% useless

Lou

I should have explained better, sorry,
Do I really need to rejet, or is it recommended ?
Cheers Lou

dgyver

Look over the rejet matrix here to get close to your setup:

http://cgi.stanford.edu/~sanjayd/gs500/Upgrades/Rejetting

If you are running stock jets, you will be lean and need to rejet.
Common sense in not very common.


Lou

Thanks for that, I've read over that,
just another question about in the poor mans rejetting,
it states in one section "

"This filter, K&N SU-5589, replaces the stock air filter and drops into the stock air box. It can be used with a restrictor, to avoid the need for a rejet, or without. "

What does it mean by the restrictor? :oops:

I will be using this model air filter

Thanks Lou

spc

It'll be a rubber ring that fits into the mouth of the filter.  If you have an aftermarket exhaust, you already have a dire need for a rejet.  So go ahead and check out the rejet matrix for a drop-in K&N and an aftermarket slip-on and just ditch the restrictor when you get it. :thumb:  Do both the filter and rejet at the same time though, and try to do them soon if you are riding the bike :thumb:

Suzuk-E

Quote from: spcterry on September 02, 2007, 11:57:24 PM
It'll be a rubber ring that fits into the mouth of the filter.  If you have an aftermarket exhaust, you already have a dire need for a rejet.  So go ahead and check out the rejet matrix for a drop-in K&N and an aftermarket slip-on and just ditch the restrictor when you get it. :thumb:  Do both the filter and rejet at the same time though, and try to do them soon if you are riding the bike :thumb:

just curios...why should they be done at the same time?

dgyver

Adding a free flow exhaust and/or a high flow air filter will make the bike run even leaner than as it is already is from stock. Rejetting at the same time will prevent potential engine damage.
Common sense in not very common.

SMF spam blocked by CleanTalk