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General Category >> Rubber Side Down! >> Just bought Savage. Quick question....
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Message started by TJ9000 on 06/27/09 at 14:08:03

Title: Just bought Savage. Quick question....
Post by TJ9000 on 06/27/09 at 14:08:03

Where the exhaust connects to the head its turned blue. The exhaust makes a high pitched whistling type sound while cranked and backfires whenever you cut the bike off.

Any ideas? Are these things related?

Title: Re: Just bought Savage. Quick question....
Post by Yonuh Adisi on 06/27/09 at 14:10:54

Welcome to the Savage/S40 world. The back fire and pipe blueing is typical because the manufacturer makes it extremely lean to pass EPA standards.

The lean condition is an easy fix. Check out the tech/ref section http://suzukisavage.com/cgi-bin/YaBB.pl?num=1181745927 and check out any and all of the carb threads.

Title: Re: Just bought Savage. Quick question....
Post by TJ9000 on 06/27/09 at 14:28:09

Ok, any idea about the whistling?

Title: Re: Just bought Savage. Quick question....
Post by TJ9000 on 06/27/09 at 14:31:21

Sounds a bit like the Jetsons car, haha.

Title: Re: Just bought Savage. Quick question....
Post by Yonuh Adisi on 06/27/09 at 14:37:18

77691A131313230 wrote:

Ok, any idea about the whistling?

Not sure about the whistling, but I do know a couple of other members have mentioned it before. I don't remember what they did to fix it. Maybe type in exhaust whistle in the search function, just be sure to set it for "all posts" to get the most results.

Title: Re: Just bought Savage. Quick question....
Post by serowbot on 06/27/09 at 15:42:19

1A04777E7E7E4E0 wrote:

Ok, any idea about the whistling?

It may be the belt drive,... they can make a variety of interesting noises.

Title: Re: Just bought Savage. Quick question....
Post by EssForty on 06/27/09 at 19:51:00

Two things I would do that take about 15 minutes:

1) Tighten the bolts that attach the exhaust header to the engine. If they are loose they will contribute to the backfiring sounds. They rattle loose very frequently due to the vibration of the bike.

2) Adjust your idle mixture by removing the brass plug and adjusting the hidden screw. That will allow you to create a richer mixture. This is different from adjusting the idle speed screw which only speeds up your idle.

A richer mix might slow down the rate that your pipe turns blue and should reduce the backfire when you roll off throttle.

It is documented here with photos:
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1221818822

Title: Re: Just bought Savage. Quick question....
Post by False Illusion on 06/28/09 at 15:24:47

726C1F161616260 wrote:

If the blueing on your pipe concerns you...there is a product called "Blue Away" and "Blue Job" that will remove the discoloration significantly. I'm not sure of the first product, but the second I used on my bike and it did work....pricey...but it worked.