Hello all again I'm after some advice. My B40 is running 13t gearbox sprocket and 60t rear but I feel I need a but more speed on the hills. What combination are people running for trials?
Yep, but I have figured out with experience and the years it takes a long time until the oil is warmed up and under cold weather conditions it is really thick which can make shifting harder.
I now have changed to ELF HTX 740 to all my bikes, from SWM TL NW, Montesa 242, Panda TC 220, Beta TR 34, Yamaha TY and the Bultaco Sherpa to use just that oil to clutch and gearbox.
OK thank you just not sure what oil to put in the gearbox on my sherpa
There can be used SAE 10 - 5 (older recommandations) from the mid seventies or SAE 30 (newer recommandations) from the beginning 80's,
in pesonal experience ATF works too very good. (As thinner the oil as easier the clutch will slip).
For the gear box where the transmission is situated SAE 75 - 95 works fine, Castrol EPX does the Job really well you can use either SAE 80 - 90 or even SAE 85 - 140
Yes I was going to get a rocker cover without a decompressor in it as I don't use it and there seems alot alot of people saying a c15 and b40 are the same.
The drain bolt is at the bottom of the down tube, below the outlet pipe. Lay under bike and it's in the middle of the tube, approx 10 mms bolt. I fill both of mine until you can just see oil in the top tube, then run the engine for a few minutes to get all the oil up and check again. I then fill until it's just under the return pipe, but don't worry if you go too high as it just comes out the breather. Cheers
The above is for a genuine Foster Otter, not sure on the copies.
Thank You so much Husky125 I'll give that a go as i can't find any information anywhere. How can you tell if its a genuine Foster Otter?
Good evening all. I'm going to change the engine oil on my otter framed B40. Could anyone please give me some advice? Where is the drain plug and how do you get the right oil level ect?
Good afternoon b40rt i call Surrey Cycles and said about a new carb he said you want the Amal Premier Alloy Mk1 so would hope I have at that price. Also would anyone know what the thread of the carb studs are? as they seem too short and was going to replace then with slightly longer ones.
Many
I have Managed to find a kit with the longer studs. Could anyone give me some advice on the best place to find some metal mudguard? My front is 4 inches and rears 5 and a half. Look everywhere on feked British bike bits...
Float level is critical, you must get that right before anything else.
When adjusting the air screw, it is incredibly sensitive so use caution.
Good afternoon b40rt i call Surrey Cycles and said about a new carb he said you want the Amal Premier Alloy Mk1 so would hope I have at that price. Also would anyone know what the thread of the carb studs are? as they seem too short and was going to replace then with slightly longer ones.
Thank you all for your help. I had to bite the bullet and buy a new carb that Surrey Cycles kindly help me out with. Would anyone know rough setting to start will?
The brass insert where the needle goes through the ventury are different One is square at the top the other is cut away I use the the premier type on my cub The body uses a better alloy and the slide is coated
Would you know if I can put my brass round 4 stroke one in there? Would it work
BSA B40 Gearing
in Pre-65 Bikes
Posted
Hello all again I'm after some advice. My B40 is running 13t gearbox sprocket and 60t rear but I feel I need a but more speed on the hills. What combination are people running for trials?
Many thanks