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 Post subject: Engine breather pipe
PostPosted: Thu Jan 10, 2013 11:53 pm 

Joined: Sun Jul 01, 2012 9:23 pm
Posts: 52
Location: UK
model: 750 Sport
year: 1989
Hey guys, I'm in need of a little product knowledge. The thick black pipe on my engine is split at the bottom, my neighbour says its just a breather pipe and I am wondering if anyone knows a good cheap place to get one?

I'm also looking for a replacement screen as mines cracked, and I'm looking for some tarty bits anything I can treat myself too.

Hope everyones ready for the new season, alot of you probably never stopped riding but I'm itching to get back on the big bike.

Cheers, Alex

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 Post subject: Re: Engine breather pipe
PostPosted: Fri Jan 11, 2013 1:17 am 
paso grand pooh-bah
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Joined: Sat Sep 03, 2005 12:00 am
Posts: 1320
Location: SF Bay Area
model: 750 Sport
year: 1990
Are you still running the stock oil catch tank? The breather line ideally should have a one way valve in the line to keep a negative pressure in the crankcase. Reduces oil leaks and increases power.
Here's an article on crankcase breathers. Big science, or just blowing hot air, or both?

The screen can be had from Zero Gravity ... php?pn=720
At least its still listed on their site.

Cheers, Phil

Duc in the Bay
1990 750 Sport x2-Rosso Blanko (900ss copy) & Nuovo Nudo (Scrambler project)
1991 907 -mostly stock
2002 ST4s - Lots of mods.

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