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Clarkie
The Day Starts With OZATV !
Joined: 26 Jan 2009
Posts: 1138
Location: Mildura VIC
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 Posted: Tue Jun 23, 2009 8:57 pm Post subject: Banshee Probs |
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Had a Flattrack meeting last weekend and in the 3rd heat the clutch started slipping, so like a good boy I kept racing anyway, then after the race, smoke was coming out everywhere ( looked cool under lights), when I went to fit a new clutch I noticed crank oil on the exhaust pipes coming from the crank breather just above them. How do I tell if its done a crank shaft seal and pressurizing the crank case or was it jut because the clutch was slipping. The clutch plates looked good and were in specs but the springs felt week (standard/original clutch). Any help would be appreciated thanks
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Hulk
Big Bore, Stroked & Bling +
Joined: 16 May 2007
Posts: 432
Location: Sydney
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| Posted: Tue Jun 23, 2009 9:44 pm Post subject: |
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| Id say just get heavy duty springs for now and keep an eye on it next ride. Was there any funny noises? |
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greenhuman
Roostin Away
Joined: 12 Feb 2006
Posts: 980
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| Posted: Tue Jun 23, 2009 9:53 pm Post subject: |
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| How does the tranny oil look? The crank seal could be on the way out and let some fuel thin out the oil and helped make the clutch slip. Also the worn seal will pressurize your crankcase and force oil out the breather. |
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Clarkie
The Day Starts With OZATV !
Joined: 26 Jan 2009
Posts: 1138
Location: Mildura VIC
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| Posted: Wed Jun 24, 2009 6:35 pm Post subject: |
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The tranny oil looks and smells ok, bit darkish. Started it up this morning and it starts and runs fine but it has more smoke coming out the clutch side cylinder than the other, especially at idle, not excessive but noticable, pulled out both plugs and they look the same colour. Should I leave it and take it for a good ride and see what happens?
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4stroker
Joined: 15 Jan 2007
Posts: 1420
Location: North Queensland
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| Posted: Wed Jun 24, 2009 7:37 pm Post subject: |
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its not crank oil on the pipes its tranny oil.
when you flog em hard enough, they start spitting oil out the breather, thats what its for!
a new crank seal may help, but mine still does it even after new seals. my mates bansh will pump the tranny oil out until its empty... there arent too many people who can hold em flat the whole way around a speedway track like he can though!
what we have done is just re-route the breather pipes to point onto the chain, and keep an eye on the tranny oil level.
for your clutch, get genuine yamaha fzr1000 fibres and some new stock steels (if it needs steels) and put it all back together with 3 heavy springs and 3 stock.
ring around and get some prices on the fibres, they are exxy, so if you get stuck i can get you a complete kit (fibres, steels and 6 springs) for under $200 out of the usa.
ps silkolene medium gear oil is the go in these things.
got the 28s on yet?
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2002 SE Banshee |
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Clarkie
The Day Starts With OZATV !
Joined: 26 Jan 2009
Posts: 1138
Location: Mildura VIC
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| Posted: Wed Jun 24, 2009 7:49 pm Post subject: |
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Stll waiting for them to turn up, the track was fast and I did have it flat for 95% of itand when the clutch was slipping I did flog it harder  cos I was sh1tty. Its definatly gear oil on the exhaust too. Think Ill fit a catch can to see how much comes out and let you know, Thanks again
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feralkid
The Day Starts With OZATV !
Joined: 29 Oct 2007
Posts: 1567
Location: North Western Victoria
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| Posted: Wed Jun 24, 2009 8:09 pm Post subject: |
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I saw you all on the news Tuesday night. Looked like you were all fairly going.
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"If in doubt go flat out"
"Nothing worth having is easy to get" |
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Clarkie
The Day Starts With OZATV !
Joined: 26 Jan 2009
Posts: 1138
Location: Mildura VIC
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| Posted: Wed Jun 24, 2009 9:44 pm Post subject: |
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Only thing quicker than me was a LTR500 bigbore with fuel controller and all the fast gear on it, but not by much though, hey Rat
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feralkid
The Day Starts With OZATV !
Joined: 29 Oct 2007
Posts: 1567
Location: North Western Victoria
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| Posted: Thu Jun 25, 2009 6:59 pm Post subject: |
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Well once you sell the 2wheeler hot the banshee up more and beat it lol. Only 8 1/2 months till i can be out there too and believe me i'm ticking off every day. 
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"If in doubt go flat out"
"Nothing worth having is easy to get" |
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bansheebuzz
4fiddy Racer
Joined: 07 Aug 2007
Posts: 255
Location: Gold Coast
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| Posted: Thu Jun 25, 2009 8:26 pm Post subject: |
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never had a problem with tranny fluid blowing out the breather. I run only the rear breather and block off the one behind the water pump plastic cover. Run the breather from the rear over the top frame tube and down again.
Also i run 95LE automatic transmission fluid in the gearbox
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Queensland Quad Riders Association
www.qldqra.com |
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Clarkie
The Day Starts With OZATV !
Joined: 26 Jan 2009
Posts: 1138
Location: Mildura VIC
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| Posted: Thu Jun 25, 2009 9:16 pm Post subject: |
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Yeah it seems stupid to put a crank breather so low to the oil, it was pushing out the front breather cos the pipe was all oilly inside it and the rear breather was clean
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