Author Topic: project mkII rs200  (Read 12207 times)

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Offline hmmmnz

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project mkII rs200
« on: July 26, 2015, 01:32:30 PM »
well its been a few years since ive been on here, 7 years by the look of it since i did the mini buffalo (chibi copy, 60cc of awesome)
and its taken me that long to find another bridgestone,  basically none made it to new zealand, 
ive now moved to scotland and managed to find a mkII rs  that had been imported from the states along with a bunch of rd350's  the guy who bought it over had no interest in it so sold it to me,

pics















so the good bits are its pretty much complete,
its only done 2900 miles. 
paint is ok and has a cool patina
frame is in excellent condition

bad bits are, its been sitting for 40 odd years
its seized solid,
all the rubber bits are perished or missing front brake lever is busted,


my plan is to get it running, by doing as much of a rebuild that is necessary,
i wont be touching the paint,  as i dont want a show bike,
replace any missing bits, get it registered over here in scotland and ride it.


im guessing im going to need:
rings for both cylinders
top and bottom bearings,
new conrods, and new crank pins,
piston pins,
all new internal bearings
new chain and sprockets,
rubber carb boots (carb to airbox)
tanks rubber knee pads,
new tyres,
and probably a rebore/re-chome depending on barrel type

so if any of you have spares that you are willing to part with flick me a message.
i'll post photos as things happen  (which may be a while, in the midst of moving house at the moment)

mini buffalo (chibi copy) 68' mkII 200

Offline slawsonb

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Re: project mkII rs200
« Reply #1 on: July 26, 2015, 03:03:32 PM »
That's a long slog from NZ to Scotland. Welcome back.
...bert

Offline hmmmnz

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Re: project mkII rs200
« Reply #2 on: August 02, 2015, 04:02:24 PM »
right, update time.
basically moved house so now have a garage and a place to work on the bike,  :D         
has been a bit of a mission getting settled in, but been worth it,

the garage




first off had to remove the carbs etc from the side of the engine,


all the wiring, hoses, foot rests seat tank etc, so i could unbolt the engine and pull it from the frame,


not a too hard of a job,

 the chain was stuck pretty solid to the front sprocket



next up was to pull the heads which was super easy,


next was barrels.


 not so easy. managed to pull the right hand one no bother, the rings and piston were in pretty good nick, and if it was cast iron bores i'd have been happy with the barrel as well,


the left hand cylinder wasn't going anywhere, so left it for a time until i could get to the nut on the crankshaft and try and brute force it out.

pull the clutch side case,  a combo of black sludge and water came out to reval the mess that is the clutch,
all new friction and steel plates are going to be needed


pulled the basket and all the associated cogs etc, a bit of rust on some, but easily save-able.  then into the rotary valve,



everything is nicely marked so you can't really cock up the timing if you pay a wee bit of attention

rinse and repeat on the oil pump side.

you probably noticed the alternator is out,  that fucker is also seized solid and will also need new bearings.

yep much the same



so that pretty much it. i did get the other piston out.  piston is pretty much done for, and rings are poked, but i sort of thought it was always going to be the case.

crank is feeling really good, so hopefully i dont have to spend $800 usd on a new crankshaft,  its probably going to cost me around that for all the bearings, pistons, rings, seals, gaskets, etc etc

tomorrow night hopefully split the cases....
may be

mini buffalo (chibi copy) 68' mkII 200

Offline hmmmnz

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Re: project mkII rs200
« Reply #3 on: August 20, 2015, 01:52:30 AM »
right where was i.
so cases got split,




 crank got pulled,


and onto the gearbox,







the selector dogs had partially welded themselves to the selector shaft and i couldn't free it to pull the shaft free,
but with a combo of blow torch and almost a can of penetrating spray and a few dozen taps from a hammer i managed to get all the dogs moving.
so the shaft came out,

and with a bit of wet and dry and oil i cleaned up the shaft to a nice smoothish and more importantly re-useable condition.

i found this bit of metal in the bottom of the gearbox...

hmmm,


oh so it looks like i have to buy a dog, not to worry, first broken thing ive found,

gearbox bearing are a bit notchy so i'll replace them,
and have decided not to replace the 2 outer crank bearings

cases are off to a mate to get sonic cleaned, and get rid of the 40 year old shite on them.

next up, carbs and alternator, then to spend a stupid amount of money on almost impossible to find parts
mini buffalo (chibi copy) 68' mkII 200

Offline hmmmnz

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Re: project mkII rs200
« Reply #4 on: August 20, 2015, 01:55:22 AM »
gummy carbs ftw...  may be not
this is what 40 year old petrol turns into




mini buffalo (chibi copy) 68' mkII 200

Offline hmmmnz

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Re: project mkII rs200
« Reply #5 on: August 20, 2015, 01:56:41 AM »
most of the stuff is done being unltra sonicly cleaned,
i think im going to have to buy one, bloody awesome.

crank cases.





and carbs.



the floats need a bit of work, as they were floating  :lol:  and couldnt be done properly.
not sure why my mate dint just weigh them down, but im not going to look a gift horse in the mouth.

now its really time for the moths to hop out of my wallet,  and start ordering shit :D  :cry:
mini buffalo (chibi copy) 68' mkII 200

Offline hmmmnz

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Re: project mkII rs200
« Reply #6 on: August 20, 2015, 02:02:23 AM »
ive managed to get all the bearings and seals out of simplybearings  which was nice, cheap as well,   all nsk or koyo bearings, which is what i pulled out of the bike,

this is a list of bits i need,  ive sent the list to richard a few days a go,  but no reply from him,
i was hoping not to go down the ebay route, as the shipping fees from the us to the uk from multiple sellers is going to be a killer.

some of the stuff like barrels i can get plated, but its not really much cheaper than the price ive seen on ebay for a brand new barrel,

*piston kit including rings, pins,small end bearings, and clips.
1341-5410 Piston for M II  x2
1305-5400 Piston ring kit for M II  x2
1381-5400 Piston pin for M II  x2
1382-5000 Piston pin circlip  x4
1333-5010 Needle bearing  x2

*left and right barrels
1122-8200 Left cylinder
1123-8200 Right cylinder

*gear change dog/selector
2541-8000 Shift fork A

* cylinders
1122-8200 Left cylinder
1123-8200 Right cylinder

*dynamo
1736-8010 Contact breaker cam  (or what ever is appropriate for a 200)

*fuel tank knee grips
5141-8000 Left knee grip
5142-8000 Right knee grip

*brake lever
6149-8200 Right lever holder

air box to carb rubber parts
6242-8000 Air pipe joint (x2)
6241-8000 Air pipe (x2)
2177-8000 Carburetor cap (right)
2172-8000 Left carburetor cap

*brake parts
7140-8000 Brake shoe complete (front)
7140-8000 Brake shoe complete (rear)
mini buffalo (chibi copy) 68' mkII 200

Offline mqtsteve

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Re: project mkII rs200
« Reply #7 on: August 20, 2015, 06:45:46 AM »
You may need to be patient. It may take a few weeks for Richard to return your parts list. You may want to resend your list. He is pretty busy! Once you get the prices the process moves much faster. It took me a few weeks (4-5) to get my prices. After I received the prices and put together my order, it only took minutes to get final price and pay. My parts showed up a few days later. So be patient! It's worth it! Good luck! Steve
« Last Edit: August 20, 2015, 06:47:41 AM by mqtsteve »
Steve S.
4/1966 BS90 Sport(o.i.), 5/1966 BS90 Sport(o.i.),
1965 BS90 Trail, 1965 BS90 Mountain

Offline hmmmnz

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Re: project mkII rs200
« Reply #8 on: August 20, 2015, 06:01:52 PM »
fair enough, im surprised he hasnt gooten in some one to take a stock take and list everything on a website,
its not particuly hard,  the whole thing could be almost automated,
any way,  hopefully i'll get a reply soon,  really need the selector dogs so i can get the bottom end back together.
mini buffalo (chibi copy) 68' mkII 200

Offline Bill Black

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Re: project mkII rs200
« Reply #9 on: August 23, 2015, 05:43:25 PM »
Don't hold your breath waiting for a reply is all I'll say , see if BSaddict has any bits you need or any one in Europe or UK weeks can turn into months .....
Good luck by the way , I just fired up my 175/200 yesterday so I am on the easy end of the rebuild
Regards
Bill
1995 Grinnall Scorpion
1989 BMW K100rs
1983 Yamaha TT600
1972 Sanglas 400
1967 BSA C25T
1966 Bridgestone 175 dualtwin

Offline hmmmnz

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Re: project mkII rs200
« Reply #10 on: August 26, 2015, 03:14:20 PM »
i just paid my bill to richard,  i ended up hasselling him on ebay :D
which got results :D

a few things i couldnt get from him or certified parts corp.
but a managed to get a second hand shift drum and dogs off WWW.USEDMOTORCYCLEPARTS.WS

barrels i'll have to get replated in the uk,

its strange that he hasnt got a couple of kids for $10 an hour to do a full inventory and actually make a full automated data base
ive worked with a couple of bike breakers/wreckers in the past and 90% of their sales is internet based.  gone are the days where you had to call a dozen bike breakers to get what you were after,  mind you richard has us by the short and curleys, ;)


mini buffalo (chibi copy) 68' mkII 200

Online dcr

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Re: project mkII rs200
« Reply #11 on: August 26, 2015, 04:39:28 PM »
Richard had the forethought/wisdom/passion, whatever you call it to buy up as many parts depot's as he could. It's a wonder most of that stuff didn't end up being sold for scrap or tossed in the landfill when Bridgestone ceased production.

He has chosen the business model that works best for him. I've spoken to him on the phone once or twice and he really is a super nice guy with a lifetime full of knowledge.

It may not be the ideal method, but your not buying aftermarket Honda parts either. Its the laws of supply and demand.
1966 175 DT and 1968 350 GTR

Offline Richard Clark BS parts

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Re: project mkII rs200
« Reply #12 on: August 26, 2015, 07:38:15 PM »
dcr:  Thanks for the kind words, its guys like you which keep me involved and interested in Bridgestone

Logan:  While thanks for the order, but I will continue to deal with my BS parts the way I want to. It is
more than obvious this method does not meet with your approval, but that is the way I do it.  

Sorry I am slow in getting lists back, but when one does place an order, it goes out fast, usually same day.

 I did not realize that you hassled me off ebay, since I do not take care of day to day ebay sales.  Yes, I do have others who are
involved.  I will check with Mike to see how much hassling that you are talking about. ;)

I will ask you not to do it any more. Any more messages concerning this will be deleted.

Please keep this forum for BS talk, not an place to slam any one in the BS world. :)

Richard Clark
« Last Edit: August 26, 2015, 07:45:01 PM by Richard Clark BS parts »
Richard  Clark, Owner and provider of this site
BRIDGESTONE MOTORCYCLE PARTS
New Albany IN

bsparts@aye.net

Offline hmmmnz

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Re: project mkII rs200
« Reply #13 on: August 27, 2015, 01:47:26 AM »
richard,  i think you have me wrong.
and i do appreciate what you have done  it has taken an incredible amount of forethought and i imagine a huge investment on your behalf.
you are of course allowed to run things how you want,   and if you want a more personalised way where an individual has to personally contact you then that fine
i was merely pointing out that the internet is a powerful tool for selling stuff, and lots of people (me included) like a streamlined fully automated buying system, 
im sorry ive offended you, but it wasnt me intention.
mini buffalo (chibi copy) 68' mkII 200

Offline hmmmnz

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Re: project mkII rs200
« Reply #14 on: August 31, 2015, 02:21:56 PM »

most parts have been ordered, it pretty great expense out of the states
the mrs even noticed the drop in the bank account, which she doesnt normally notice.  bugger.  but she just got a new car so i didnt really get in trouble ;) just a stern look :D

ive decided im going to have to rebuild the alternator, after finding out the price on a replacement item, (more than the price i paid for the bike) ive managed to get the cam that opens the points,  so i'll have to free the old ones off, and replace the bearings,

barrels were sent off to http://www.poetonaptec.co.uk/ to get ceramic plated.

here is the left hand barrel,  it had the rings stuck to the bore,
and required a stupid amount of effort to free them from the piston.

you can see the chrome chipping off at the top, and faintly see the mark just above the transfer?? port where the rings were stuck



next up is the right hand cylinder, which is actually in pretty good shape, and if the left had been like this i wouldnt have sent them off to get ceramic plated.



so thats the befores,  ill update on the afters
mini buffalo (chibi copy) 68' mkII 200

Offline hmmmnz

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Re: project mkII rs200
« Reply #15 on: September 17, 2015, 02:45:40 PM »
right been a while.
lots of waiting when parts have to come from the other side of the world,

any way first to arrive was my new shift drum and selector dogs.
i had to buy a whole set to get one dog.  but thats the way it goes

sitting nicely in their new home

next up was cleaning the gear box, removing and replacing all the bearings,
thankfully simply bearings in the uk had every thing i needed in stock,


most of the bits i need arrived from richards relics in the U.S,
the new intake to airbox rubbers and chrome joiner


the new pistons, rings, pins, small end bearings, and circlips




gasket set


and brake shoes


and a funky little key ring ;)


also a new cam lobe for the points inside the alternator/generator

still waiting on http://www.poetonaptec.co.uk/ to return my barrels,
they were remarkably quick to take my money, but refuse to return an email,  i guess ill have to suck it and see


but the good news is i can atleast rebuild the bottom end back up.



mini buffalo (chibi copy) 68' mkII 200

Offline hmmmnz

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Re: project mkII rs200
« Reply #16 on: October 04, 2015, 07:12:56 AM »
i had to shoot to new zealand for my grandads funeral
had his last ride in his faithful 55 morris
(had it since new)




when i got back my barrels were waiting,







even champhered the ports for me, which was nice


they are like brand new, pretty impressed, with the results... not so much with the service though.

also the new clutch metals and fibres had turned up,



along with new points and condensers.


and a cool little tool box cover lid which i was missing. they fall into the unobtainium category of rare metals,  but managed to find a brand new one in the correct colour :D


so thats where i stand now,
i pretty much have everything i need now to finish the engine,
just a couple of carb kits, and a couple of bearings for the generator to fit,

and a few days she should be back together,  time permitting


mini buffalo (chibi copy) 68' mkII 200

Offline old smokey

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Re: project mkII rs200
« Reply #17 on: October 04, 2015, 11:43:24 PM »
Sorry to see your family's loss, but that was a classy last ride.

Looks like some re-assembly of the BS is close at hand.
'67 350 GTR undergoing repairs with a '75 Yamaha TX500 front end

Offline hmmmnz

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Re: project mkII rs200
« Reply #18 on: September 04, 2016, 06:36:11 AM »
ah ha,  well that didnt work out to plan,  almost a year since touching the bike.


    to be fair, ive had 4 different bikes stolen,  done 2 top end rebuilds on my own bikes,  done a full rebuild to a tdm 850, and another to a ktm990 (dont ever buy one of them, bastards to work on [:D] )

    fitted double glazing to the house, cut down a dozen trees on the property,

    helped convert a bus to a motorhome, started a new job,  missioned about france and belgium in the campervan,

    rebuilt my old 1970s swiss made revox amplifier,

    plasterboarded all of the upstairs and painted, re-wired most of the house,


    yeah i know, excuses excuses [:D]

    anyway house is looking ok, untill a building warrant comes through for the extension down stairs, so i have some time on my hands.



    so i was back to bolting the 2 parts of the bottom end back together,  but thought id go over it all just in case i missed something a year ago,


    just as well as id missed a spring that activates the "highway gear" selector  (basically lets it go from 4th back into neural, or allows it to shift into 5th and stops it going into neutral)    pretty cool idea,





    and also forgot 2 split pins on the selector forks, that keep the pins in place and keep it located on the selector drum,


    of course like a retard, i didnt have a single split pin any where,  so that made short work of my evenings work on the bike,


    hopefully work on this will pick up, and ill have it finished before,...  before sometime [:D]
mini buffalo (chibi copy) 68' mkII 200

Offline hmmmnz

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Re: project mkII rs200
« Reply #19 on: September 04, 2016, 06:37:24 AM »
after fitting the spring and split pins, refitted all the bits and bobs, you know cogs and all that manly shit




 then got the 2 halves of the crankcase together,

pretty painless, 




then went about popping the right side rotary valve and cover,

and what no in prep of the clutch going on,


made a very advanced clutch plate soaking device,

made fully from recycled materials,  im upto date and very green in my ways.

i give you mince tray clutch plate soaker





the name could do with some work, but you must admit its very effective.


och the joys of cork clutch plates.


put the clutch together, lined up the crank sprocket,

was quite pleased with myself until i noticed another gear....



bugger it,




wont go on unless i remove the clutch and what not,

of course i can't undo the clutch because it just spins, and i dare not use the 4mm clutch bolts to make a holder in case i brake something,


so, have to bring the rattle gun home from work tommow,


spastic.
mini buffalo (chibi copy) 68' mkII 200

 


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