Author Topic: Puller for camshaft pinion?  (Read 866 times)

Offline bakerlonglegs

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Puller for camshaft pinion?
« on: 28.02. 2015 13:37 »
Hello,
The first of what will be many questions I'm sure!
Can anyone recommend a puller (and source to buy) to remove the camshaft pinion? I really don't want to knacker anything by ham-fisted levering!  I did do a search but couldn't find anything.

Thanks!

http://i38.photobucket.com/albums/e143/plovo241/bsa_cog.jpg

Online bsa-bill

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Re: Puller for camshaft pinion?
« Reply #1 on: 28.02. 2015 14:19 »
Wouldn't be a big job to make one up, piece of 1/4 flat drill two holes to match the threaded holes in the pinion and a couple of bolts and a hand full of washers
All the best - Bill
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Offline duTch

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Re: Puller for camshaft pinion?
« Reply #2 on: 28.02. 2015 16:06 »

 What Bill said, and it should come ok, but DON'T be tempted to drift/press the cam inwards out of the gear, as there's a woodruff key that will gouge the bush which may otherwise be ok
Started building in about 1977/8 a on average '52 A10 -built from bits 'n pieces never resto intended -maybe 'personalised'
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Online bikerbob

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Re: Puller for camshaft pinion?
« Reply #3 on: 28.02. 2015 16:13 »
On my A7 I just found 2 bolts with the same thread as the tapped ones in the pinion and gradually tightened them up and they pushed the pinion off  no bother, but I would not put too much pressure on as you could damage the crankcase looking at the general state of things you maybe better off making a puller as the previous post has indicated a bit of substantial flat bar with 3 holes in, the centre one drilled and tapped, the other 2 with clearance holes to suit tapped holes in the pinion.

Online muskrat

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Re: Puller for camshaft pinion?
« Reply #4 on: 28.02. 2015 20:21 »
'51 A7 plunger, '57 A7SS now A10CR,  '83 CB1100F, 88 FXST .
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Muskys Plunger A7

Online RichardL

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Re: Puller for camshaft pinion?
« Reply #5 on: 28.02. 2015 20:26 »
Muskrat,

However do you make those so cheaply?

Richard L.

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Re: Puller for camshaft pinion?
« Reply #6 on: 28.02. 2015 21:18 »
Like EVERONE else. China!!
Cheers
'51 A7 plunger, '57 A7SS now A10CR,  '83 CB1100F, 88 FXST .
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Muskys Plunger A7

Offline bakerlonglegs

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Re: Puller for camshaft pinion?
« Reply #7 on: 28.02. 2015 23:47 »
Thanks very much for the advice!

 *respect*

Offline duTch

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Re: Puller for camshaft pinion?
« Reply #8 on: 01.03. 2015 02:53 »

 I have one of those harmonic balancer pullers, forgot it but probably used it when I needed to- handy for lots of things
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

Offline wilko

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Re: Puller for camshaft pinion?
« Reply #9 on: 01.03. 2015 22:28 »
No one has mentioned what thread the two holes are? Cycle or BSF.

Offline duTch

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Re: Puller for camshaft pinion?
« Reply #10 on: 01.03. 2015 23:38 »

 Most likely BSC, there's FA BSF on a (real) BSA- only head bolts, dynamo/maggie nuts, that I know of and maybe one other thing I can't think of....
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

Offline fido

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Re: Puller for camshaft pinion?
« Reply #11 on: 02.03. 2015 09:00 »
No one has mentioned what thread the two holes are? Cycle or BSF.

If they are 1/4" they are both the same anyway.

Offline duTch

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Re: Puller for camshaft pinion?
« Reply #12 on: 02.03. 2015 10:39 »

Quote
    No one has mentioned what thread the two holes are? Cycle or BSF.If they are 1/4" they are both the same anyway.

only 1/4", same pitch- different threadform BSC 60˚/BSF/Brass-55˚
 Have a spare close by, ran a 1/4" BSC in one hole, and a 1/4" Brass in the other- no apparent problem, both a bit tightish (probably nothing in there since new) but see what others say- I'd go with BSC
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

Offline wilko

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Re: Puller for camshaft pinion?
« Reply #13 on: 02.03. 2015 23:16 »
So i suppose you'll have hundreds of those bolts lying around.

Offline duTch

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Re: Puller for camshaft pinion?
« Reply #14 on: 03.03. 2015 07:18 »

 which ones wilko and who...?..?....no anyway..!
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