32 thoughts on “Honda SS50 engine strip down, rebuild and start”

  1. Amazing video well done Allen. I got a brand new new SS50Z in 1976 (a 'super sixteener' as they were called along with the Yamaha FS1E and others. Your video show how the engine ticks in a really useful and accessible level of detail. Thanks so much.

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  2. I think the cylinder gearbox and clutch have been replaced in Vietnam. I suspect this machine is the ss50 series made specifically for Vietnam and somehow it went abroad.

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  3. Hey Mr Millyard, what was that cloth you used on the valve in the lathe. I have a semi automatic version to rebuild, I guess very similar to the manual version.

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  4. Allen, my apologies for randomly tagging this comment onto your latest video upload, as it has nothing to do with Honda SS50s! However, eighteen months or so ago, when you were speaking with the Missenden Flyer, you mentioned a new bike project — a 3-litre vee twin, using barrels and pistons from a British radial engine. Are you making any progress with this? Could I also ask as to what make of engine parts you're actually using? I ask because I'm hoping they're from Bristol — especially from one of their sleeve-valve, radial engines, as I'm sure that really would be a first!

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  5. Given the end results of this man's work, one would think he has full access to a state-of-the-art CNC machine shop at his disposal. Yet this project starts outside, in the backyard, on his knees using cardboard as a workbench. An ordinary Joe performing unordinary mechanical feats. All I can do is just watch and learn from this man's ability.

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  6. Thank you for the vids. All my Honda 70cc engines have ground down shift forks. I decided to have the fork tips built up with weld, then jig them up on my mill and finish the fork tips back too oem size. I did that since you can build multiple cylinder engines, I can at least reapair a shift fork!!

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  7. I have just stumbled across your channel brilliant work , I was wondering if you think it would be possible to make a Yamaha FS1E twin 100cc .

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  8. How damn interesting! Turning 16 years old in 1970, I was blessed with a brand new Honda SS50 for my birthday. What a beauty she was … blue with all the chrome on the mudguards and the slightly higher handle bar. I was the envy of all my mates! Having lived on a farm 16 km from town, the bike was like a gift from heaven! I cannot tell you how much convenience, joy and pleasure that little bike brought me! VERY cool video Allen! Regards from South Africa.

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  9. That’s a beautiful little Honda 50 cc engine, I had a I think it was ,a 72 honda 50cc trail bike gold coloured gas tank for my son when he was young, a great bike to learn on.

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  10. I had a Honda SS50 back in 1981 3rd and 4th gears were stripping and as i was only 16 i didn't realize what damage was taking place before it was to late, it completely seized up one afternoon on a RAC/ACU training course. one of the instructors ended up towing me back with a rope LOL.

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  11. The C50 is one of my favorite engines, although I am not a motorcycle man. If I was to ever have a bike at my age, it would be the Honda 70 (previously the Honda 50 of the 1960's, 70's).

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  12. I wish two-strokes would make a come back, with fuel injection and emission compliant. These do exist but are expensive due to lack of economies of scale. Two strokes are inherently more efficient, compact, simpler and lighter, and should be cheaper. They easily achieve 1hp/10cc without special tuning. They don't absorb their own energy to operate a cam chain and valves. Maybe big Japanese brands could pool resources to build a shared 125cc or 200cc two stroke engine. Just my view, but I am a fan of the Suzuki TS185

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