Peter's BSA Bantam B175 Engine - Conclusion of the Build

Finishing touches to Peter's B175 engine rebuild.
The bike had been outside since 1977, the engine was locked solid and full of water.
Here we finish off the rebuild, ready for a test run.
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Best wishes, Dean.

[@petermckee1061]

It's looking fine Dean. Lovely job indeed. Cheers, Peter.

[@retromechanicalengineer]

@@petermckee1061 thanks Peter.

[@bsa_brummie7775]

Excellent job, thanks for posting enjoyable series👍

[@retromechanicalengineer]

@@bsa_brummie7775 thanks very much. Best wishes, Dean.

[@MichaelGodfrey-c8c]

Another great video Dean thanks very much Mike

[@retromechanicalengineer]

@@MichaelGodfrey-c8c thanks Mike, appreciated.

[@SyreshamPBS]

Cylinder head looks good from here ❤

[@retromechanicalengineer]

@@SyreshamPBS it doesn't look bad Peter, it just looked a bit bright compared with the rest of the engine. Best wishes, Dean

[@alanbrown1563]

It looks very nice dean I'm sure Peter will be pleased with it .

[@retromechanicalengineer]

@@alanbrown1563 Thanks Alan. It's been an enjoyable job.

[@OzBSABantams]

Another engine saved! Great job on the whole series. I think the customer will be very happy with the end product and i think the head looked really good after painting. It looked pretty scabby before.

[@retromechanicalengineer]

@@OzBSABantams thanks mate. Your approval means a lot.

[@LarryBees]

Looking Bonny Dean!!

[@retromechanicalengineer]

@@LarryBees it turned out well, I'm pleased with it.

[@MrFactotum]

eyup Dean you've done a grand job of the rebuild, enjoyed the watch and seeing it come back from the potential scrapman👍👍👍👍 see you next way You might have to explain to many viewers what a "Shilling!!" is😄😄🤔🤔🤣🤣🤣🤣😉😉👍👍 regards Kev

[@retromechanicalengineer]

@@MrFactotum Cheers Kev. It's a Bob, isn't it?

[@MrFactotum]

@@retromechanicalengineer Yes explain that one too!!, then you can get on to crown, half-crown, threpenny-bit and tanner!!🤣🤣👍👍👍👍👍👍👍👍

[@SyreshamPBS]

Best line of the series... "Now ready to pop in the frame and be riding down the road within a couple of hours" Comedic timing and delivery were faultless!! 😂 Sufficient to say that the frame and running gear are not quite ready for that first glorious run! Hoping you might be able to "help out" eith some of the rebuild on that front! (Help out in the same way that you helped out with the engine!) Thanks for the amazing work on the engine Dean it's a right beauty ❤️

[@retromechanicalengineer]

@@SyreshamPBS I thought we were fitting it this weekend.......! Happy to help where I can Peter.

[@AGEngineering]

Great project and something to be proud of. If the rest of the bike takes a while to finish, the engine could have pride of place on the mantle piece 😊

[@retromechanicalengineer]

@@AGEngineering it could go from garden ornament to living room ornament!

[@rizalbae24]

Greeat job..bro

[@retromechanicalengineer]

@@rizalbae24 thanks very much

[@cainbeeping8480]

Great job brother. I’m ready to see it run. Can you ride a motorcycle? Never been on a ride with you LOL.

[@carlwilson1772]

Absolutely superb series. It has really showcased the depth and breadth of your skills, knowledge and expertise. You are THE go to man for these machines. Grandad would be so proud. And he is. I know this. Now it needs to run - have you anything in mind for a test stand? Perhaps one could be built with a fuel tank, controls etc with mounts for the engine. Could be a useful item. As for the finished engine, "aaahhhmmm shuuuwaaaahh the laaaaad will be ha'ppy with it....

[@retromechanicalengineer]

@@carlwilson1772 thanks, it was enjoyable to do. I do have some plans for a test stand, which would incorporate everything required to properly bench test.

[@Steviegtr52]

One of the Bantam's i built. Not sure what model as I have done quite a lot many years ago. The head i fitted was a George todd. That had a central spark plug hole. Also I never knew they ever used a concentric Amel carb. I thought they were Monobloc. ???. Or has someone upgraded it. Great video Dean. Steve.

[@retromechanicalengineer]

@@Steviegtr52 The later ones used Concentrics Steve.

[@cainbeeping8480]

Great job brother. I’m ready to see it run. Can you ride a motorcycle? Never been on a ride with you LOL. Peter will be pleased.

[@retromechanicalengineer]

@@cainbeeping8480 I need to get out and ride the blue bike. I don't get a lot of time. I've had a lot of bikes over the years, mostly larger stuff. I had a Yamaha TRX850 until a few years ago.

[@router5840]

Good rebuild series Dean very interesting, can you remember where you bought the Allen bolt set from.

[@retromechanicalengineer]

@@router5840 Thanks very much. Peter is the owner of the engine. A lot of my parts come from Rex Caunt Racing, highly recommended. Best wishes, Dean.

[@router5840]

Opps Changed that.

[@retromechanicalengineer]

@@router5840 no need to worry, very glad to have you here. Best wishes, Dean.

[@BritanniaMotorcycles]

Saving a 2 stroke from the scrap heap. Is that wise?

[@retromechanicalengineer]

@@BritanniaMotorcycles You know it is Michael, surrender to the dark side...

[@philhermetic]

Good work Dean, is that a Standard bantam head? I see it has an annular squish band and central plug, I fitted a George Todd head to my last bantam which was very similar. Phil

[@retromechanicalengineer]

@@philhermetic Thanks Phil, the later Bantams had the centre fire head as standard. BSA were trying to wring the last drop of performance to stay marketable. Best wishes, Dean.