Author Topic: New rebuild 1963 A10  (Read 3313 times)

Online RichardL

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Re: New rebuild 1963 A10
« Reply #15 on: 09.08. 2014 21:42 »
Muskrat,

Aren't they all "foreign", depending on where you are? Do you mean Asian as opposed to Englandian?

Richard L.
Plan on signing up for the world-wide 2020 DISTINGUISHED GENTLEMAN'S RIDEon September 27, 2020 (if it's not cancelled and we are free to move about by then). Watch website at https://www.gentlemansride.com for details.

Online chaterlea25

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Re: New rebuild 1963 A10
« Reply #16 on: 09.08. 2014 22:03 »
Hi Kim,
Shit luck about the liners, maybe lucky the result wasnt a lot worse

Make sure the head has not been damaged where the "thick washers " seat
all the heads I have come accross need spotfacing to ensure a flat surface for the washers
I make my own washers 3mm thick

HTH
John
1961 Super Rocket
1963 RGS (ongoing)

Offline kiwipom

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Re: New rebuild 1963 A10
« Reply #17 on: 09.08. 2014 23:28 »
hi guys, Dutch are you going to correct this one? ( had a small step at the bottom of the skirt for the sleeve to but against so it couldn't drop)
 go on give Musky an `English` lesson,cheers
A10.G.Flash(cafe racer)Honda 250 vtr. Yamaha Virago XV920.

War! what is it good for?Absolutely nothing, Edwin Star.
NewZealand

Offline kiwipom

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Re: New rebuild 1963 A10
« Reply #18 on: 09.08. 2014 23:32 »
hi guys/ Magicflem, perhaps the original engineer will fix his cock-up for free,cheers
A10.G.Flash(cafe racer)Honda 250 vtr. Yamaha Virago XV920.

War! what is it good for?Absolutely nothing, Edwin Star.
NewZealand

Offline magicflem

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Re: New rebuild 1963 A10
« Reply #19 on: 09.08. 2014 23:53 »
I don't think I want to see that "engineer" again!!
1930 BSA B30-3 Side Valve Girder (being restored)
1955 BSA A10 Road Rocket
1955 BSA A10 Golden Flash
1956 BSA A10 Road Rocket
1951 BSA A10 Golden Flash
1956 BSA DB32 Gold Star Clubman
1958 BSA A10 Super Rocket
1961 BSA C15 (being restored)
1961 BSA C15 Star "America" (being restored)
1961 BSA A10 "Big Valve" Super Rocket (being restored)
1963 BSA A10 Rocket Gold Star

Offline magicflem

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Re: New rebuild 1963 A10
« Reply #20 on: 10.08. 2014 00:09 »
Can I please have your thoughts on liners....
Should liner have a step on outer surface at top and barrel machined to accept. This would prevent sleeve dropping - or am I totally up the wrong tree?
Also, where is a good supplier of quality liners?
Regards,
Kim 
1930 BSA B30-3 Side Valve Girder (being restored)
1955 BSA A10 Road Rocket
1955 BSA A10 Golden Flash
1956 BSA A10 Road Rocket
1951 BSA A10 Golden Flash
1956 BSA DB32 Gold Star Clubman
1958 BSA A10 Super Rocket
1961 BSA C15 (being restored)
1961 BSA C15 Star "America" (being restored)
1961 BSA A10 "Big Valve" Super Rocket (being restored)
1963 BSA A10 Rocket Gold Star

Online bsa-bill

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Re: New rebuild 1963 A10
« Reply #21 on: 10.08. 2014 08:57 »
genuine Hepolite still come up on Ebay now and then

http://www.ebay.co.uk/sch/i.html?_odkw=Hepolite&_osacat=14780&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.XHepolite+liners&_nkw=Hepolite+liners&_sacat=14780

I fitted liners in my Flash some 14 - 15 years back, cant recall if the had a step, some advertised above don't , most do, also they don't come with bottom cut out for con rod, the shop do this.
All the best - Bill
1961 Flash - stock, reliable, steady, fantastic for shopping
1959 Rocket Gold Flash - blinged and tarted up  would have seizure if taken to  Tesco

Offline duTch

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Re: New rebuild 1963 A10
« Reply #22 on: 10.08. 2014 12:30 »

 Haha- why me... *eek* *beer*

Quote
hi guys, Dutch are you going to correct this one? ( had a small step at the bottom of the skirt for the sleeve to but against so it couldn't drop)
 go on give Musky an `English` lesson,cheers

 Weeell...I did see it earlier, but had stuff to do so thought I'd mull it over, or stay out of it..but then forgot... *conf*
 Glad you spotted it though, takes the pressure off me.....I did think a step at the top might be better, and aren't they slightly tapered..?? Mine were sleeved, but that was a long time ago....??
  *beer*
 
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
Have a '74 850T Moto Guzzi since '92-best thing I ever bought doesn't need a kickstart 'cos it bump starts sooooooooo(mostly) easy
Australia

Online chaterlea25

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Re: New rebuild 1963 A10
« Reply #23 on: 10.08. 2014 12:37 »
Hi Kim,
A10 liners are not usually stepped at the top
However they must have less interference fit where the cylinders project below the base flange
If they are too tight there they will split the spigots
The theorie on liners is that they will always run hotter than the surrounding cylinder and should not come loose or move, however a too tight piston to liner clearance will cause the pistons to nip the liners and drag them south  *eek*

HTH
John
1961 Super Rocket
1963 RGS (ongoing)

Offline magicflem

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Re: New rebuild 1963 A10
« Reply #24 on: 12.08. 2014 04:06 »
Have got another cylinder with liners that have a "top hat". I am going to re-use my STD sized 9:1 JP Pistons with new rings of course but I am now wondering if 0.005" piston to bore clearance is too little. Also, how do I check that the connecting rod alignment is correct???? HELP..
Kim 
1930 BSA B30-3 Side Valve Girder (being restored)
1955 BSA A10 Road Rocket
1955 BSA A10 Golden Flash
1956 BSA A10 Road Rocket
1951 BSA A10 Golden Flash
1956 BSA DB32 Gold Star Clubman
1958 BSA A10 Super Rocket
1961 BSA C15 (being restored)
1961 BSA C15 Star "America" (being restored)
1961 BSA A10 "Big Valve" Super Rocket (being restored)
1963 BSA A10 Rocket Gold Star

Online edboy

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Re: New rebuild 1963 A10
« Reply #25 on: 12.08. 2014 11:57 »
wrong post bill.
this interesting thread is about oil leaks caused by a loose liner worming itself south into the warp drive.

Online chaterlea25

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Re: New rebuild 1963 A10
« Reply #26 on: 12.08. 2014 20:29 »
Hi Kim,
A length of 3/4in. silver steel (drill rod) should pass through both small end bushes simulatatiously
without binding, with the rod through the small ends the crank should rotate as much as the bar will allow
without any problem, and keep checking the 3/4 bar is free to rotate

HTH
John
1961 Super Rocket
1963 RGS (ongoing)

Online trevinoz

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Re: New rebuild 1963 A10
« Reply #27 on: 12.08. 2014 21:57 »
I wouldn't have used JP pistons to start with. They have a reputation for growing.

Offline magicflem

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Re: New rebuild 1963 A10
« Reply #28 on: 12.08. 2014 22:57 »
Trev,
Can you recommend a good piston?
Regards,
Kim
1930 BSA B30-3 Side Valve Girder (being restored)
1955 BSA A10 Road Rocket
1955 BSA A10 Golden Flash
1956 BSA A10 Road Rocket
1951 BSA A10 Golden Flash
1956 BSA DB32 Gold Star Clubman
1958 BSA A10 Super Rocket
1961 BSA C15 (being restored)
1961 BSA C15 Star "America" (being restored)
1961 BSA A10 "Big Valve" Super Rocket (being restored)
1963 BSA A10 Rocket Gold Star

Online fringedweller

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Re: New rebuild 1963 A10
« Reply #29 on: 12.08. 2014 23:54 »
I've used JP pistons in several bikes including the Super Rocket with no problems for a few years now.
 One was a dirt track T****ph which would get a good flogging, no problems.
 Of course I like them as they are made in South Oz, so I look after the local blokes.
Don