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broady
50cc nipper
Joined: 20 Jul 2010
Posts: 7
Location: NOR Perth, W.A
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 Posted: Tue Jul 20, 2010 11:34 pm Post subject: Banshee running problems |
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Hey,
I've got a '08 Banshee, bought it about 3 weeks ago. It's just had a top end rebuild done.
The first ride I took it on was good apart from it boggin down at low revs.
Unfortunatly me not having the most experience (yet) on this sort stuff. I went and saw my old boys mate who tuned the carbys and gave em a clean.
So I went for a ride just the other day, it ran sweet for bout an hour then I heard it sound different when I stopped,I
Noticed that ancylinder dropped out, so I packed up went home now when I start it both cylinders run for a little while but the left one that cut out before is now blowing white grey smoke it's not heaps though. Then eventually cutting out. Is it fowling? I've asked around a bit as to what to do. And gotta bunch of different answers. Any help would be greatly appreciated, I'd love to try do the work myself if possible to get to no my bike. So yeah
Any pointers or anything?
Cheers Matt
_________________
~2008 Banshee~
- .50 Namura Hi Comp Pistons
- FMF Gold Fattys
- K&N Air Filter
- YFZ450 Front End
- Nerf Bars |
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greenhuman
Roostin Away
Joined: 12 Feb 2006
Posts: 980
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| Posted: Tue Jul 20, 2010 11:53 pm Post subject: |
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Check the compression. Sounds like you could have a blown or leaking head gasket.
Also check that the cross-over tube between the carbies is still attached. Look down from above the carbs and see if there is a little black rubber hose about two inches long going from one carb to the other about half way up the carb. Its straight on the opposite side of your choke.
Most people that (sausage) with the carbs and don't know about the tube do not reconnect it. |
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broady
50cc nipper
Joined: 20 Jul 2010
Posts: 7
Location: NOR Perth, W.A
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| Posted: Wed Jul 21, 2010 12:38 am Post subject: |
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I've checked that cross over tube, it's attachted, I'll do a comp test tomorrow. Cheers dude
_________________
~2008 Banshee~
- .50 Namura Hi Comp Pistons
- FMF Gold Fattys
- K&N Air Filter
- YFZ450 Front End
- Nerf Bars |
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1sick6
Big Bore, Stroked & Bling +
Joined: 20 Dec 2006
Posts: 340
Location: SA
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| Posted: Wed Jul 21, 2010 7:25 am Post subject: |
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when its running on 1 cylinder stop the engine and take the plugs out. clean them and swap side to side or replace them with new 1s and start it again,
just see what happenes.
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He Who Dies With The Most Toys, Wins
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Raptor700Matt
4fiddy Racer
Joined: 12 Apr 2010
Posts: 242
Location: Whyalla 'Red dust country'
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| Posted: Wed Jul 21, 2010 7:39 am Post subject: raptor |
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u stopped that raptor from back firing and blowing out tha neighbourhood ear drums yet paul
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Raptor700Matt
2010 Raptor 700 SE
2011 450R SE
2011 Raptor 90 x2
Thanks Bikes N Gear WHYALLA |
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hustleratv.com.au
The Day Starts With OZATV !
Joined: 26 Jan 2007
Posts: 1022
Location: Adelaide
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| Posted: Wed Jul 21, 2010 12:29 pm Post subject: |
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I found this wrong with a banshee one time at the dunes (he re-build the motor him self ), the slides in the carby (stock)got mixed up and the left one was in the right carby, backwords,
the quad ran ok from mid to top but nothin down low.
on the side of the carby at the top is a small glass window , push the throttle to flat out (quad not running) and you should see a dot on the slide show up in the window.
hope you find the problem.
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hustleratv.com.au 0407 797 780
Importer of OMF performance product / wheels
Maxxis Tyres
Boundless Suspention
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broady
50cc nipper
Joined: 20 Jul 2010
Posts: 7
Location: NOR Perth, W.A
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| Posted: Wed Jul 21, 2010 1:46 pm Post subject: |
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cheers for the feedback guys.
i just check the slide window on the carby's, the dot on both carbys are coming through the window at the same time, but and passing just before full throttle. at full open there is np dot visable, just a fraction before theyre both there
could this be an issue?
_________________
~2008 Banshee~
- .50 Namura Hi Comp Pistons
- FMF Gold Fattys
- K&N Air Filter
- YFZ450 Front End
- Nerf Bars |
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hustleratv.com.au
The Day Starts With OZATV !
Joined: 26 Jan 2007
Posts: 1022
Location: Adelaide
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| Posted: Wed Jul 21, 2010 2:13 pm Post subject: |
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no ,that sound about right.
hope you work out whats wrong.
_________________
hustleratv.com.au 0407 797 780
Importer of OMF performance product / wheels
Maxxis Tyres
Boundless Suspention
Bad Boy Power Drinks
Last edited by hustleratv.com.au on Wed Jul 21, 2010 5:50 pm; edited 1 time in total |
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doorslammer
Roostin Away
Joined: 24 Jul 2007
Posts: 902
Location: Northern WA
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| Posted: Wed Jul 21, 2010 5:25 pm Post subject: |
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swap the plug leads from side to side, this will rule out coil/electrical if the problem stays on the same side or carby/intake if it switches side
Last edited by doorslammer on Wed Jul 21, 2010 6:00 pm; edited 1 time in total |
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cuzo
Big Bore, Stroked & Bling +
Joined: 25 Jun 2006
Posts: 417
Location: In the Ridge
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| Posted: Wed Jul 21, 2010 5:31 pm Post subject: |
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Sell it buy a four stroke problem solved.... 
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04 Polaris Predator 500 with mods
ProArmor - Revolution nerfs |
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hustleratv.com.au
The Day Starts With OZATV !
Joined: 26 Jan 2007
Posts: 1022
Location: Adelaide
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| Posted: Wed Jul 21, 2010 5:51 pm Post subject: |
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| cuzo wrote: | | Sell it buy a four stroke problem solved.... |
dont think so 
_________________
hustleratv.com.au 0407 797 780
Importer of OMF performance product / wheels
Maxxis Tyres
Boundless Suspention
Bad Boy Power Drinks |
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cuzo
Big Bore, Stroked & Bling +
Joined: 25 Jun 2006
Posts: 417
Location: In the Ridge
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| Posted: Wed Jul 21, 2010 6:10 pm Post subject: |
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I'v had the privlidge several times I know hoe much of a weapon they are good luck
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04 Polaris Predator 500 with mods
ProArmor - Revolution nerfs |
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broady
50cc nipper
Joined: 20 Jul 2010
Posts: 7
Location: NOR Perth, W.A
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| Posted: Wed Jul 21, 2010 6:12 pm Post subject: |
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| cuzo wrote: | | Sell it buy a four stroke problem solved.... |
i am a bit of a sucker for the 2 bangers ahah.
im waitin for a mate to bring around a compression tester. meanwhile ill swap the leads around and see how we go.
thanks again guys
_________________
~2008 Banshee~
- .50 Namura Hi Comp Pistons
- FMF Gold Fattys
- K&N Air Filter
- YFZ450 Front End
- Nerf Bars |
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Sandstar
50cc nipper
Joined: 02 Sep 2010
Posts: 8
Location: Western Australia
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| Posted: Sat Sep 04, 2010 12:15 am Post subject: |
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| Could even be a spark plug seeing as the second time you started it the engine ran on two cylinders and then dropped back to one again sometimes when spark plugs crap out they will work again when cold and stop once a bit of temperature gets into them, the same can be said for the coil as previousley stated swap the leads around as the CDI works on a wasted spark system and fires at TDC and BDC so the bike will still run, but if the problem persists the other cylinder will cut out instead of the one that is now and if thats the case dispose of one crappy coil. |
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aitchy
50cc nipper
Joined: 10 Aug 2008
Posts: 19
Location: Southern Flinders S.A
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| Posted: Sat Sep 11, 2010 11:28 pm Post subject: |
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I agree with 1 sick 6 ,
I had similar problem with mine , miss fire on the left side
swap plug leads see if the problem follows ?? , mine didnt , ive got after market 30mm D-slider carbs so i swapped them over still didnt follow ???
many lost hours and much heartache, it turned out , the left side nipped up a ring "but it still had good compression"
If it was me I would pull down the top end for a look , peice of mind for the cost of a gasket kit
If ya still stuck might wanna take a look at another forum www.bansheehq.com , lost track of how many times it helped me out
Good luck :O)
_________________
"03" Banshee
FMF Gold series Fatty pipes
Shaved head
30mm OKO D-Sliders
Force reeds & Spacers
IF YA AINT GOT A BANSHEE , YA AINT GOT S@*T!! |
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jody.z
50cc nipper
Joined: 18 Aug 2009
Posts: 45
Location: perth wa
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| Posted: Mon Oct 04, 2010 11:21 am Post subject: hi there |
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mine is doing the same thing, went for a test ride after re building the rear end and all good ,parked it up and when i went to go for a real ride a week later she wouldnt run , would start and idle but would not rev .
did you get yours sorted out ,what was the prob .
cheers jody.
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live free ride fast!!! |
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