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50, 60, 90 & 100 Talk / Re: Bridgestone 90 sport kickstart is broken
« Last post by Steve Swan on Yesterday at 10:57:02 PM »
Ok thanks

Marve, do not become discouraged with what RayK said.  us old timers need young blood like yourd to keep preservation of these bikes in order and it is remarkable, in fact wonderful that you are interested in old bikes.  if old bikes are not in running condition they can be brought back to life with patience and time, and putting any spare change you have towards your project.  there is nothing you cannot learn through reading and asking questions, and do not worry about sounding foolish, every one of us starts out knowing as much or less than you know now.  YOU can become your own expert, there are plenty of people on this site willing to help a young fellow.  the only dumb question is the question unasked.  the first thing i would do is download a parts and service book and owner's manual off this site, then i would study them.  if there is nothing seriously wrong with the bike, and it has compression, spark and gas you can get it started without the kick starter.  all you need is a decent incline of sufficient length and as you roll it down hill pull in the clutch and put it in 1st or 2nd gear and let out the clutch.  once you get used to the bike, there's no reason why you can't push start it on flat ground.  men were pushing 500 cc motorcycles on flat ground in the running starts of all 500 GP races since the beginning of motorcycles up until 1984, so there's no reason to not be able to get your bike started assuming it has potential to run assuming all it needs is a points and/or carb cleaning.  just know a project like this is likely not a "dump in gas and ride" situation.  Take you time, ask questions, and at least have a general idea what you are going to do BEFORE you do it.  hang in there and stay with us!
50, 60, 90 & 100 Talk / Re: Bridgestone 90 sport kickstart is broken
« Last post by Marve on Yesterday at 08:43:01 AM »
Ok thanks
350 Talk / Re: 350 Generator drive gear
« Last post by BRT-GTR on Yesterday at 08:00:15 AM »
          All good advise by Hardy, however, just had a look at a spare alternator, note the key slot in the gear is not machined parallel with the taper on the shaft, it is parallel with the centre line of the shaft, IE, the slot is deeper at the front of the gear than it is at the back. 
         This means, if the key is a tight fit in slot (which they seem to be) and not set at the right angle, the gear jams on it before seating on the taper. This is what had happened on mine. Wouldn't mind but Mr Hamfist knew it wasn't seating and smothered the shaft, gear and bolt with loctite and hoped it would be OK. I could hear the noise it was making under the cases but didn't know what was causing it.  Loctite was the clue.
          Clean the slot sides and ease the sides of the key until it is a light press fit in the slot and able to swivel when pressed on either end. It will then find its correct angle as the gear is pressed on. Would second hardy's idea to mark the shaft with gear position before inserting the key.

        Here's another picture showing where back of gear had jammed on key and marked it. Wonder how long it had been running like that ?
General Discussion / Re: Trippin' in L.A.? I'll Let You Decide!
« Last post by jjwithers on July 16, 2018, 11:50:19 PM »
Damn, I missed this.  Otherwise I would have contacted the guy and buzz up to his house in my Bridgestone just to call BS on him.  Hahahaha. 
50, 60, 90 & 100 Talk / Re: Bridgestone 90 sport kickstart is broken
« Last post by RayK on July 16, 2018, 11:33:09 PM »
Yes you will have to take the transmission apart by splitting the crankcases. A job for an expert as you will neednew seals, bearings and gaskets. Also a replacement kick starter shaft (difficult to source, Richard Clark may have one).
From Eastern Australia
350 Talk / Re: 350 GTO oil & fuel lines
« Last post by Steve Swan on July 16, 2018, 06:36:53 PM »
I got it from richard

Thanks Jeff!  i contacted Richard.
350 Talk / Re: 350 Generator drive gear
« Last post by hardy on July 16, 2018, 06:22:53 PM »
When it’s time for re-install, it wouldn’t hurt to lap the gear and shaft tapers together. After all it’s this mating surface that drives the shaft. The keyway is only there to set the timing. The key should be a firm fit inside gear and shaft. As Brian said, the key can be eased to size with a bit of wet and dry.

If your unsure about how far it should go into the taper, install without the key, Mark shaft then repeat.

Post up how you go!
General Discussion / Re: Clymer Vintage Repair Manual-Worth Buying?
« Last post by nysz1b on July 16, 2018, 02:43:59 PM »
BS Mechanic: Thanks for the feedback!
350 Talk / Re: 350 Generator drive gear
« Last post by nysz1b on July 16, 2018, 02:42:04 PM »
Great info, BRT-GTR, especially where the gear should be on the shaft. Perhaps it was the same ham-fisted "mechanic"- who knows!
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