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Author Topic: Oil Pump  (Read 1959 times)

Offline WozzA

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Oil Pump
« on: 18.10. 2012 12:23 »
anyone in Aus got a spare working oil pump I can purchase?
or
does anyone know of someone who can repair them?
I think mine is Rat S...
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'51 Golden Flash Plunger
'57 Golden Flash Swingarm

Melbourne
The biggest lie I tell myself is
"I don't need to write that down, I'll remember it"

Offline duTch

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Re: Oil Pump
« Reply #1 on: 18.10. 2012 14:20 »

 Hiya Wozz,  I guess you've tried Modak? (Last time I called there about something the lady said yes we have that and it'll be this much and hung up........ *eek* )
 I called John Phelan +441246290021 (think that's right),who does high flow cast iron ones , but don't know their integrity  ~£175 (?)
 Gatton swap meet next week?
 Best I can do cheers, duTch

 ps what's wrong with yours??
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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 muskrat

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Re: Oil Pump
« Reply #2 on: 18.10. 2012 19:19 »
G'day WozzA, send it up and I'll have a look if you want. Not much goes wrong inside but the bodies aren't the best.
Cheers
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'51 A7 plunger, '57 A7SS racer now a A10CR, '78 XT500, '83 CB1100F, 88 HD FXST, 2000 CBR929RR ex Honda Australia Superbike .
Australia
Muskys Plunger A7

Online trevinoz

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Re: Oil Pump
« Reply #3 on: 18.10. 2012 20:56 »
Hi Wozza,
                     Why do you think your pump is RS?

Trev.
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Offline WozzA

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Re: Oil Pump
« Reply #4 on: 18.10. 2012 22:55 »
Him no turn... =  him kaput..   *eek*
I opened it up to see if I could free it... 
the gears all look good, but the plates are scored,   *sad2*
I gave it a good soak in some WD40 & everytrhing freed up,
but when I put the plates back on it locks everything up again..   
Musky... I sent you a eMail....  THANKS people 
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'51 Golden Flash Plunger
'57 Golden Flash Swingarm

Melbourne
The biggest lie I tell myself is
"I don't need to write that down, I'll remember it"

Offline mark

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Re: Oil Pump
« Reply #5 on: 18.10. 2012 23:22 »
Wozza have sent you a PM re oil pump.  Let me know if you don't receive it

Mark
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Australia

Offline WozzA

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Re: Oil Pump
« Reply #6 on: 18.10. 2012 23:57 »
I THINK I sent you one back Mark...   thanks.   *smile*
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'51 Golden Flash Plunger
'57 Golden Flash Swingarm

Melbourne
The biggest lie I tell myself is
"I don't need to write that down, I'll remember it"

Online KiwiGF

  • Last had an A10 in 1976, in 2011 it was time for my 2nd one. It was the project from HELL (but I learned a lot....)
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Re: Oil Pump
« Reply #7 on: 19.10. 2012 00:10 »
Scratches and grooves on plates can be fixed by grinding paste on glass etc.

I've seen mislignment issues in the holes in the pump end plates cause locking up, occurs when the bolts are done up.

It happened on my A10 pump which is actually an alloy A65 body with A10 drive end bolted onto it. Yes that setup works fine  *lol*. There are wider gears in A65 pumps so more flow  *yeah* (just like the SRM pump).

Running a drill through the end plates to slightly widen the holes fixed the alignment problem. Just do the bolts up a bit at a time and whilst making sure the pump still spins over.

This might work, might not. I've also seen bodies tht have distorted and the gears rub, I'm not sure if THAT can be fixed by a DIYer.
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New Zealand

1956 A10 Golden Flash  (1st finished project)
1949 B31 rigid “400cc”  (2nd finished project)
1968 B44 Victor Special (3rd finished project)
2001 GL1800 Goldwing, well, the wife likes it
2009 KTM 990 Adventure, cos it’s 100% nuts

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Re: Oil Pump
« Reply #8 on: 19.10. 2012 09:39 »
 Yep they can be a bugger Kiwi, you have got the method thou. Do the screws up a little at a time criscross. I also give it a light tap with a mallet whilst turning it. I also made a jig to bolt it to so I know it spins when mounted on the case.
WozzA, I'll give it a going over and mount it in the cafe to see what pressure it gives. It'ed better give some, don't want to blow her up *eek* LOL.
Cheers
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'51 A7 plunger, '57 A7SS racer now a A10CR, '78 XT500, '83 CB1100F, 88 HD FXST, 2000 CBR929RR ex Honda Australia Superbike .
Australia
Muskys Plunger A7

Offline WozzA

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Re: Oil Pump
« Reply #9 on: 19.10. 2012 10:39 »
When I opend it up it was full of thick muck almost like a dark grease.. *eek*
see how you go mate... work your magic...   *smile*
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'51 Golden Flash Plunger
'57 Golden Flash Swingarm

Melbourne
The biggest lie I tell myself is
"I don't need to write that down, I'll remember it"

Offline duTch

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Re: Oil Pump
« Reply #10 on: 20.10. 2012 11:00 »

Quote
it was full of thick muck almost like a dark grease..

   How'd ya get that in there Wozz??  30/40  is usually ok  *smile*
   
 On the other hand best you analyse the 'muck'- could be indicative of something amiss..?
 Cheers
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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 WozzA

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  • Melbourne Australia
Re: Oil Pump
« Reply #11 on: 20.10. 2012 13:32 »
NOT GUILTY...  I bought the bike in bits & pieces...
My guess is that it was 20+year old oil that turned into sludge... ????
Yeah the motor is undergoing a total rebuild as we speak..   *smile*
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'51 Golden Flash Plunger
'57 Golden Flash Swingarm

Melbourne
The biggest lie I tell myself is
"I don't need to write that down, I'll remember it"

Online muskrat

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Re: Oil Pump
« Reply #12 on: 23.10. 2012 19:59 »
G'day WozzA
Your old one is NOW almost as good as the SRM, and just as good as mine. After about 4 hours of fettling and fitting I put it in the café. On cold start fast idle it was giving 325kpa and returning well to the tank. After a few minutes warm up it gave 450kpa at 5000rpm. I then took it for a quick 6 mile blast around the block. At 60mph (3250rpm) it showed 350kpa and at idle gave 175kpa. Good as gold. 350kpa = 50lbs.
I think it may have been built out of bits as the drive end outrigger was not square and 8 thou out of line, but may have been caused by mounting it with different thickness gaskets under the body and outrigger. Over time would have twisted it.
Anyway it?ll be back in the post today. Good to have a good spare.
Cheers
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'51 A7 plunger, '57 A7SS racer now a A10CR, '78 XT500, '83 CB1100F, 88 HD FXST, 2000 CBR929RR ex Honda Australia Superbike .
Australia
Muskys Plunger A7

Offline WozzA

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Re: Oil Pump
« Reply #13 on: 23.10. 2012 23:05 »

Thank you Mr Musky...  for your skills.....  have a on me... 
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'51 Golden Flash Plunger
'57 Golden Flash Swingarm

Melbourne
The biggest lie I tell myself is
"I don't need to write that down, I'll remember it"

Offline gavinoz

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Re: Oil Pump
« Reply #14 on: 24.10. 2012 06:58 »
Musky may I ask what sort of fettling and fitting? e.g. Do you use heat when you "untwist" the outrigger?. Mine seems to be pretty much like Wozza describes his. Thanks Gav 
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Rigid A7S, 57 A10 in pieces
Australia
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