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Do straight pipes cause valve problems? (Read 362 times)

arteacher Serious Thumper Offline Ride as if your naked and invisable! Posts: 2581 London ontario Gender:	Re: Do straight pipes cause valve problems? Reply #15 - 03/13/12 at 11:05:29 A Raask with the baffle.
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Built2Last Serious Thumper Offline Tempt Fate Posts: 1447 FTF Gender:	Re: Do straight pipes cause valve problems? Reply #16 - 03/13/12 at 16:25:27 Serowbot wrote on 03/13/12 at 10:34:25: So,.. I'm confused... Are you trying to tune a straight pipe, no pipe, or a Jardine?... ... I'm trying to tune the bike, seems like I have to change to 5th gear to hit 50mph.. I added a K&N pod filter now I'm trying to adjust everything..
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Routy Serious Thumper Offline SuzukiSavage.com Rocks! Posts: 2280 Winston Oregon Gender:	Re: Do straight pipes cause valve problems? Reply #17 - 03/14/12 at 08:25:38 Sounds to me like its being choked at the higher Rs, which is exactly what a air filter will do when its not large enough to pass the air that the thumper is sucking at higher Rs. And believe it or not, no amount of tuning can correct for that.
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arteacher Serious Thumper Offline Ride as if your naked and invisable! Posts: 2581 London ontario Gender:	Re: Do straight pipes cause valve problems? Reply #18 - 03/14/12 at 09:36:11 +1
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Built2Last

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Re: Do straight pipes cause valve problems?
Reply #19 - 03/14/12 at 18:57:08

Routy wrote on 03/14/12 at 08:25:38:

Sounds to me like its being choked at the higher Rs, which is exactly what a air filter will do when its not large enough to pass the air that the thumper is sucking at higher Rs.
And believe it or not, no amount of tuning can correct for that.

So go to a smaller air filter?

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Serowbot YaBB Moderator ModSquad Offline OK.... so what's the speed of dark? Posts: 28653 Tucson Az Gender:	Re: Do straight pipes cause valve problems? Reply #20 - 03/14/12 at 19:04:39 Built2Last wrote on 03/14/12 at 18:57:08: So go to a smaller air filter? Bigger... Any smaller and your carb will swallow it... ...
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Built2Last

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Re: Do straight pipes cause valve problems?
Reply #21 - 03/14/12 at 19:09:44

Serowbot wrote on 03/14/12 at 19:04:39:

Built2Last wrote on 03/14/12 at 18:57:08:

So go to a smaller air filter?

Bigger...

Any smaller and your carb will swallow it... Huh

...

This air filter is huge... the carb boot fits it just like the air box did.. it can only go smaller...

Part RC-1920 Product Specifications
Product Style: Round Tapered Universal Air Filter
Base Outside Diameter: 3.5 in (89 mm)
Flange Inside Diameter: 2.125 in (54 mm)
Flange Length: 0.625 in (16 mm)
Flange Type: Centered
Height: 4 in (102 mm)
Top Outside Diameter: 2 in (51 mm)
Top Style: Metal
Top Material/Finish: Chrome
Filter Material: Cotton Gauze
Flanges: 1
Filter Re-Oiling Amount: 0.34 oz (10 ml)

http://www.knfilters.com/search/product.aspx?Prod=rc-1920

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Bobbert Serious Thumper Offline CHOP IT Posts: 836 Los Angeles, CA Gender:	Re: Do straight pipes cause valve problems? Reply #22 - 03/28/12 at 00:37:26 take it off. I've run mine w/o for 500 miles keep rocks and hard stuff out, clean the carb and plug every so often
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k9500winmag Junior Member Offline SuzukiSavage.com Rocks! Posts: 79 florida Gender:	Re: Do straight pipes cause valve problems? Reply #23 - 03/28/12 at 13:55:16 Ive been running a short straight pipe for a bit now and have had no problems. No sign of burned valves or valve float. No ticking or knocking so far. Time will tell though.
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