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Topics - john.k

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British Bikes / Amal 276 carb
« on: August 20, 2024, 02:45:55 AM »
 Im about to bore out a 276 carb to 1& 1/16  for my Ariel .........question is ,can I simply bore out the jet block/slide guide assy as one piece ? ....or do I have to unsolder the lower part ,so that the short tube on the jetblock is unchanged ?...........Unsoldering/resoldering could be tricky so as not to block  or obstruct any of the passages or jets...............I see lots of horribly bodged Amals about,seemingly enlarged with  coarse sandpaper wrapped around a stick,but they are never attached to engines ..............which Id assume is because they dont work anymore.

2
British Bikes / SturmeyArcher box
« on: August 20, 2024, 02:38:06 AM »
Anyone notice a lightweight SA gearbox on marketplace thats very similar to the pics shown on the forum a while ago......One Ive not seen before,not that Ive taken much notice of the LW boxes .

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British Bikes / Triumph Speed Twin
« on: June 24, 2024, 12:09:22 PM »
Triumph Speed Twin ...........whats the interchange of components between a 500 and 650 1954 pre unit twin............can a Speed Twin be fitted with 650 barrels ?..........and a 650 crank?

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British Bikes / Tool collectors
« on: June 09, 2024, 12:29:49 AM »
Been trying to put together a set of Whitworth spanners for a buke restorer just starting out ...............and can you believe it ,Whitworth spanners are now premium priced as collectable tools ...........everyone selling single items  at exorbitant prices ...well $20-$30 each for Sidchrome rings ,anyway .........About 20 years ago ,someone gave me NOS boxes of Whit  sockets with the ratchet drives and bars gone from them ,as there was zero call for Whitworth at that time.

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British Bikes / Binks Two Jet Carby
« on: January 13, 2024, 07:16:15 AM »
On the subject of carbs ,I have a Binks two jet here in sad condition.......quite restorable though ........I finally found out what the missing internals should look like ,and making then isnt difficult ........its 15/16 ,so probably off a 1920s 500 ohv.............I said no more bikes ,but finding something to fit the carby might be considered a restoration rather than another bike.

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British Bikes / Ariel VG 1950
« on: August 20, 2023, 07:17:01 AM »
Next is my Ariel VG ........Im sure its in a alot better condition mechanically than the Norton,as it was burned up in a carb fire many years ago .....anyhoo,its going again but has had very little use ..........at the moment its got a brass allparts carby (wont melt next time there is a fire),which is only 1" bore ..........question is ,do I bore out a 276 to 1 & 1/16 (correct size) or find a 289.........I ve had a look around for a 289 ,but seems they are rare and valuable ...even when knackered .........in fact every Amal ive seen is knackered ,but that has no effect on the asking price............something to do with a new one costing $1000 by the time it arrives in the antipodes...........Makes the Indian Mikuni off a RE at $90 delivered very attractive.............but that would be heresy ,of course.

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British Bikes / cost of bike parts
« on: August 15, 2023, 10:47:45 AM »
Since I decided to go through a couple of bikes and fix the basics ....Ive been amazed/shocked by the prices of spares .........and the scarcity of spares in general for 70 year old British  bikes ............if it was Harley or Indian bits needed ,then there are plenty of suppliers at reasonable prices (post from the US is a killer ,though),but UK stuff seems to have run out .........a couple of things I bought ,were listed as 'last one' ............and ,would you believe an Amal carby slide at nearly $100 ?.........I think the last one I bought was sixpence.

8
British Bikes / Norton gearbox mainshaft
« on: August 10, 2023, 11:05:00 AM »
I need to replace the mainshaft in the G 101 laydown box in my 1950 ES2 .......Ive sort of put this off for more than 20 years ,and at that point in time ,I couldnt identify the correct shaft without dismantling the box .........Anyone help with this ......I was in the NOC at that time ...........What I need is a length ...RGM offer a "pre AMC" shaft ......but there were a lot of pre AMC gearboxes ,not just the laydown..............I sort of know the answer .....pull the box to pieces ......but I dont want to be another silly old geezer with a dozen bikes in pieces......John-Whiting.

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British Bikes / Invincible JAP on ebay
« on: August 01, 2023, 11:31:41 AM »
The same dealer with the HRD has an Invincible JAP (in petrified state) on ebay now.

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British Bikes / triumph 3T engine
« on: July 29, 2023, 08:00:53 AM »
Can a Triumph 3T or 3TA be changed into a 500 ....the unit one already has 500 barrels and head ,so maybe a crank and rods ?.........or does it need a 500 crankcase as well?........He s looking at two ,one a preunit ,one a unit (early)

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British Bikes / vincent rapide on ebay
« on: July 26, 2023, 10:42:34 AM »
Anyone notice there is a Vincent /HRD Rapide on Oz  ebay?...........Its a bitser with a dodgy history ,but the sellers expect close to $100k for it.

12
British Bikes / Panther M100 engine with rust frozen bearings
« on: December 02, 2022, 08:07:23 AM »
I have a Panther M100 1948 ,went under in the Sydney floods maybe two years ago,maybe longer and I need to get it apart .......the crankshaft roller bearings are frozen with corrosion ,and wont move .....ive done some soaking in petrol /oil mix ,the mix has penetrated the timing side roller ....(all the timing gear/camshaft etc removed ).........some say soak it in diesel......but from experience I  know that doesnt work.........the idea of a powerful ultrasonic wash  machine has occurred to me......but will that free it up?........Any ideas?.........The cases must be saved ,if I have to I may blow out the shafts with the oxy,but thats kinda drastic.

13
The Classic Biker Bar / motorcycle parts on 8bay?
« on: November 20, 2022, 05:13:49 AM »
Whats happened on ebay Au ? .....suddenly there is no old/classic motorcycle parts? All the parts sellers gone?

14
British Bikes / JAP 600cc UCZ rigid frame specials .
« on: August 13, 2021, 10:57:17 AM »
Anybody here noticed there is a craze for building home made bikes with rotary hoe motors.?.....Every Howard Gem being displayed as garden art is suddenly worth $2000 for the JAP motor....There are even races for these specials......The craze started in UK,but has spread out here too.......not that Im complaining as I have a couple of UCZ 600s in really nice condition .......I had always planned to put OHV top ends on them.......Unfortunately the days of buying anything OHV JAP on ebay for  less than weight in gold is gone.......I have another project thats more interesting ,and that is putting two of the little OHV 250 JAPs of the late 30s,on a 750cc Autotruck motor......But these 750 industrial JAPs have hit 3000 quid each in UK......So Ill give that a miss too......ive just build a nice new shed ,and now nothing to do in it.

15
British Bikes / Villiers factory 1940s
« on: July 19, 2021, 04:03:25 AM »
Interesting U Tube photoessay of the Villiers factory ,Wolverhampton ,in the 1940s...assumed post WW2........Who woulda thunk they had so much precision manufacturing capability in a factory that turned out tinpot twostrokes and small stationary engine........they also made bicycle coaster hubs,---80,000 a week.....The whole factory seems spotlessly clean........big contrast to the Douglass factory in another of the series......If you have plenty of data,watch the Douglas story.....very interesting historic film ,interspersed with various boring old twits recalling this and that at great length.....

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