Author |
Message |
Topic: YB8 carb model- fuel pump location? Same pump as Yamaha? |
Jonny B Bad
Replies: 2
Views: 605
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Forum: YB Series Posted: Fri Mar 22, 2024 10:12 am Subject: YB8 |
I don’t want to discourage, but you’ve not chosen an easy gig there!
The pump is held by a bracket that is bolted to the underside of the frame cross member on the right hand side. The reason so ... |
Topic: DB3 Mantra Fuel Tank |
Jonny B Bad
Replies: 1
Views: 1206
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Forum: DB Series Posted: Mon Feb 05, 2024 5:57 pm Subject: Mantra Fuel Tank |
The tank is most likely made of nylon. The ethanol in E10 is hygroscopic, that is to say it absorbs moisture from the atmosphere - like Dot 4 brake fluid. Eventually the water will separate out of the ... |
Topic: YB10 fuel solenoid & starting problems |
Jonny B Bad
Replies: 8
Views: 12567
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Forum: YB Series Posted: Sat Oct 14, 2023 5:22 pm Subject: YB10 |
Best bet with the manifold rubber clip screws is to swap them out for M4 socket cap Allen, and use a couple of flexible shafts and a 2.5mm Allen bit.
Good luck |
Topic: YB10 fuel solenoid & starting problems |
Jonny B Bad
Replies: 8
Views: 12567
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Forum: YB Series Posted: Sat Oct 14, 2023 5:22 pm Subject: YB10 |
Best bet with the manifold rubber clip screws is to swap them out for M4 socket cap Allen, and use a couple of flexible shafts and a 2.5mm Allen bit.
Good luck |
Topic: YB10 fuel solenoid & starting problems |
Jonny B Bad
Replies: 8
Views: 12567
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Forum: YB Series Posted: Fri Oct 13, 2023 4:43 pm Subject: YB10 |
While you’ve got the carbs off, there are a number of things that will have it running better and give you a better range. If you want to have a chat about it, let me know & I’ll pm you my num ... |
Topic: YB9 Bellaria air filter Fram CA3131. Where can I get one |
Jonny B Bad
Replies: 11
Views: 12694
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Forum: YB Series Posted: Fri Oct 13, 2023 10:10 am Subject: YB air filters |
I have a small NOS stash of these. £30 + p&p. |
Topic: YB10 fuel solenoid & starting problems |
Jonny B Bad
Replies: 8
Views: 12567
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Forum: YB Series Posted: Fri Oct 13, 2023 10:00 am Subject: YB10 |
The starting problem is likely down to ethanol in your fuel, that has absorbed moisture, which has separated out at the bottom of your tank. So your float bowls are being replenished with water. If yo ... |
Topic: YB6 Carbs |
Jonny B Bad
Replies: 1
Views: 2571
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Forum: YB Series Posted: Mon Sep 12, 2022 10:19 pm Subject: Yb6 carbs |
Ideally, run motor first, to soften carb-to-head rubbers. 2.5mm Allen on a couple of flexible shafts on a driver. Once clamps are loosened, use a thin piece of hardwood to prise carbs and rubbers off ... |
Topic: Pivot/drop engine on SB6R (alternator issue). |
Jonny B Bad
Replies: 2
Views: 4862
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Forum: SB Series Posted: Tue Jul 19, 2022 11:02 am Subject: SB6R alternator coupler |
Damage to your alternator coupler may well have been occasioned by a previous owner. But, once you get it back together, always ensure the battery is showing good voltage before starting and give the ... |
Topic: Pivot/drop engine on SB6R (alternator issue). |
Jonny B Bad
Replies: 2
Views: 4862
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Forum: SB Series Posted: Tue Jul 19, 2022 10:57 am Subject: SB6R alternator coupler |
You have to pivot the motor on the rear lower pin to get all of the bolts out that hold down the cover on the starter clutch assembly, on which the alternator coupler is mounted. Be careful to get the ... |
Topic: Furano brakes |
Jonny B Bad
Replies: 3
Views: 3813
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Forum: YB Series Posted: Tue Jun 07, 2022 8:56 am Subject: Furano rear calliper |
Two different rear callipers in use at that time. Look the same from the outside, but one has a dust seal that sits over the piston (as in the previous post) and one has a dust seal that sits in the c ... |
Topic: SB6R - advice is appreciated! |
Jonny B Bad
Replies: 7
Views: 5188
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Forum: SB Series Posted: Sun May 22, 2022 10:30 pm Subject: SB6R |
Great motor, great frame, heavy wheels, heavy end cans, fragile clocks, alternator coupler vulnerable to weak battery, plastic tank vulnerable to damage by ethanol in fuel, fairing panels prone to cra ... |
Topic: Questions for YB6 EXUP / YB8 owners |
Jonny B Bad
Replies: 26
Views: 26122
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Forum: YB Series Posted: Sat Mar 26, 2022 2:46 pm Subject: YB8 |
Thank-you for coming back on an old thread Bud. That makes sense with your YB8.
I’ve put TMR-MJNs on an SB6R and it goes like the clappers |
Topic: Questions for YB6 EXUP / YB8 owners |
Jonny B Bad
Replies: 26
Views: 26122
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Forum: YB Series Posted: Thu Mar 24, 2022 8:29 pm Subject: YB8 |
Bud977, I had a go at taking the exup off my YB8 and whilst it ran pretty well from 3k onwards, nothing I did would make up for the weak signal in the carbs (which the exup addresses) to persuade it t ... |
Topic: YB9SR Carb stock jets size and settings- same as Yamaha?? |
Jonny B Bad
Replies: 4
Views: 3257
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Forum: YB Series Posted: Sat Mar 19, 2022 8:43 pm Subject: YB9 SR |
As far as I know, the SB6R was the only bike where Bimota knew that they had changed the induction to such an extent that they re-jetted the carbs. A YB8/10 for instance came with the carbs just as th ... |
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