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bandit 12 turned into a twin

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Drake
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Joined: 01 Oct 2010
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PostPosted: 11:11 - 31 Aug 2012    Post subject: bandit 12 turned into a twin Reply with quote

so it appears my B12 has turned into a twin.
its is running on the left two pots as you sit on the bike but not the right.
I have drained the float bowls and cut back the HT leads.
off to check for spark in a second.
Any more idea's? oh and they pick up when riding, just sets off on two and comes on at about 4k?
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was: derbi senda, aprilia sx125, nsr250 mc16, cagiva mito, cb600 hornet now: mk1 bandit, KR1S, landrover series 3 light weight 2.5 petrol, 5speed box
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Casper
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Joined: 12 Jul 2010
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PostPosted: 11:14 - 31 Aug 2012    Post subject: Reply with quote

Its not you coils. Its not one coil for 1+2 the 3+4. They are mixed. my money is on blocked carbs. Get them out for a good clean.
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Casper
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PostPosted: 11:15 - 31 Aug 2012    Post subject: Reply with quote

Just read the last line.

Pilot jets are blocked 100%
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Drake
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PostPosted: 11:15 - 31 Aug 2012    Post subject: Reply with quote

yer i saw they were crossed over, and i really cant be arsed with carbs but i need it, so i shall.
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was: derbi senda, aprilia sx125, nsr250 mc16, cagiva mito, cb600 hornet now: mk1 bandit, KR1S, landrover series 3 light weight 2.5 petrol, 5speed box
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Zen Dog
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Joined: 11 Aug 2004
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PostPosted: 18:13 - 31 Aug 2012    Post subject: Reply with quote

Drake wrote:
just sets off on two and comes on at about 4k


Saw a bike behaving very similarly, but just on one cylinder. Piston rings had gone. Sad Really hope its the carbs!

Zen Dog
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Current - '94 VFR750FR, '00 VFR800FI Previous - '10 Street Triple R, '92 MZ ETZ301, '05 TTR250, NSR125R, KMX125, "Honda" Win (chinese copy of an old Honda design with a C90 engine)
My bike trip around S.E. Asia 2010/2011
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Drake
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PostPosted: 22:30 - 31 Aug 2012    Post subject: Reply with quote

it's fine now well was earlier, just hope its ok for mot tomorow
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was: derbi senda, aprilia sx125, nsr250 mc16, cagiva mito, cb600 hornet now: mk1 bandit, KR1S, landrover series 3 light weight 2.5 petrol, 5speed box
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0l0dom0l0
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Joined: 21 Oct 2009
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PostPosted: 22:58 - 31 Aug 2012    Post subject: Reply with quote

If you're feeling lazy and it is picking up enough to ride you can try running some red-ex through the carbs.

Stick about half a bottle to a full tank of fuel and if its going to clear without having to take the carbs off that will do it Thumbs Up
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CBT Passed: 30/08/2009, Theory Passed: 31/08/2010, Mod 1 Passed: 6/9/2010, Mod 2 Passed: 13/09/2010. Restriction ended 13/09/2012.

Bikes: 2007 Derbi GPR 50, 1998 Yamaha Fazer 600 (written off), 2002 Yamaha Fazer 600, 1994 CBR 600F, 2003 Triumph Daytona 600, Kawasaki ZX6R J1.....Current: 2006 Yamaha FZ6, 1998 Suzuki TL1000R and a Honda VFR 400 NC30.
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