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 Post subject: rebuilding gearbox
PostPosted: Mon Mar 28, 2005 4:25 pm 
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848cc
848cc
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Joined: Fri Jan 07, 2005 10:17 pm
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Location: Sydney
just want to not what parts i will need to replace when rebuilding my gearbox.
a list would be nice plz.

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FOR SALE MInidlx, 1293, GR head, RE-13, GR worked Redline Manifold, 45 mm DCOE,pulsar dizzy , "S" Disc's, Mk II "S" box, 3.65 diff. Minator 10X6's On the loose
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 Post subject:
PostPosted: Mon Mar 28, 2005 4:47 pm 
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848cc
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Joined: Fri Mar 25, 2005 3:43 pm
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Location: Hobart, Tasmania
Im not an expert but....the things that are worne or broken :P

Topher

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15years old...but no mini yet :(


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 Post subject:
PostPosted: Mon Mar 28, 2005 5:48 pm 
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1275cc
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Joined: Thu May 13, 2004 4:41 pm
Posts: 4418
Location: sydney
Generally
The layshaft
The double row main
and various other bearings.
YOu may also need to replace gears if there are worn.

Cheers

Aaron

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 Post subject:
PostPosted: Mon Mar 28, 2005 5:49 pm 
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Joined: Thu Jun 03, 2004 11:11 pm
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Location: Baulkham Hills
Syncro's

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 Post subject:
PostPosted: Mon Mar 28, 2005 5:53 pm 
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1275cc
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Joined: Thu May 13, 2004 4:41 pm
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Yep, i forgot that one.... just got back from 9 hours in a car, not thinking straight yet

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 Post subject: Forks!
PostPosted: Mon Mar 28, 2005 6:06 pm 
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1360cc
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Joined: Sun Apr 11, 2004 11:32 am
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Location: Sthrn HiLoLands, NSW, Australia
check selector forks....

also, a common one...check condition of splines on transfer linkages and how well thay are clamped.

hows the diff?? hows the diff bearings??

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 Post subject:
PostPosted: Mon Mar 28, 2005 7:17 pm 
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848cc
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Joined: Fri Jan 07, 2005 10:17 pm
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diff is ok crownwheel is stuffed. any idea on prices

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FOR SALE MInidlx, 1293, GR head, RE-13, GR worked Redline Manifold, 45 mm DCOE,pulsar dizzy , "S" Disc's, Mk II "S" box, 3.65 diff. Minator 10X6's On the loose
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 Post subject:
PostPosted: Mon Mar 28, 2005 7:28 pm 
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religious status
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Joined: Fri Mar 19, 2004 6:19 pm
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Location: near Baulkham Hills, NSW
Fit a competition diff pin and 2 new planet gears.. they don't last forever!
:idea: Rock the output shafts to and for to check wear, while looking at the pin & gears. You can do this looking into top of box while diff is in it. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject:
PostPosted: Mon Mar 28, 2005 7:31 pm 
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848cc
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do u think i will be able to rebuild it for less that 400 bucks. i am gettin help for my mate dad on the rebuild so labour is not a cost just parts. As i am tryin to keep sum money in the bank for when Kev's got time to make up my rockers.

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FOR SALE MInidlx, 1293, GR head, RE-13, GR worked Redline Manifold, 45 mm DCOE,pulsar dizzy , "S" Disc's, Mk II "S" box, 3.65 diff. Minator 10X6's On the loose
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 Post subject:
PostPosted: Mon Mar 28, 2005 7:40 pm 
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Stuartminidlx wrote:
do u think i will be able to rebuild it for less that 400 bucks. i am gettin help for my mate dad on the rebuild so labour is not a cost just parts. As i am tryin to keep sum money in the bank for when Kev's got time to make up my rockers.

Depends what the bearings etc are like. When I pulled mine out to change the cam, the gearbox cost me nearly $600 in parts alone. And I didn't need to do the 4 synchros, which are over $30 each now! :?
Whatever, change all the needle bearings and check the layshaft, which is invariably stuffed.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject:
PostPosted: Mon Mar 28, 2005 8:05 pm 
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848cc
848cc

Joined: Sun May 09, 2004 6:12 pm
Posts: 267
Location: Adelaide
As I'm finding out at the moment some of those parts are not cheap.
The double row main bearing was over $100,the lay shaft bearings will be around $50 and I know that I need at least one new diff bearing which I haven't priced yet.
A new selector fork is horrendously expensive and for such a small item a diff competition pin isn't cheap.
If you have the gearbox apart you might as well put a central oil pickup in ,another $80-$90.
At least I had a good layshaft,gears and syncros.Still its a good learning experience and its one thing at a time at the moment.


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 Post subject:
PostPosted: Mon Mar 28, 2005 8:23 pm 
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848cc
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Location: Sydney
i was gunna put a centrol oil pickup in i hope the rest isn't to bad. but i wanna do it right the first time so i don't have to do it again for aleast a year or 2

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FOR SALE MInidlx, 1293, GR head, RE-13, GR worked Redline Manifold, 45 mm DCOE,pulsar dizzy , "S" Disc's, Mk II "S" box, 3.65 diff. Minator 10X6's On the loose
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 Post subject:
PostPosted: Mon Mar 28, 2005 8:41 pm 
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Look close at the layshaft, inside the 1st gear end of cluster gear. If it's wearing thru the hardening, bin it. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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 Post subject:
PostPosted: Mon Mar 28, 2005 8:46 pm 
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848cc
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how much does a laygear cost approx cause i'm only a first year apprentice mechanic and i have 2 broken mini's on my hands. but i took the 1100 auto out of the Morris today and after a clean and a few bits and pieces that should be fixed so then i will have sumthin to drive to work in after i drop it in the white mini

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FOR SALE MInidlx, 1293, GR head, RE-13, GR worked Redline Manifold, 45 mm DCOE,pulsar dizzy , "S" Disc's, Mk II "S" box, 3.65 diff. Minator 10X6's On the loose
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 Post subject:
PostPosted: Mon Mar 28, 2005 8:48 pm 
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Location: near Baulkham Hills, NSW
Stuartminidlx wrote:
how much does a laygear cost approx cause i'm only a first year apprentice mechanic and i have 2 broken mini's on my hands. but i took the 1100 auto out of the Morris today and after a clean and a few bits and pieces that should be fixed so then i will have sumthin to drive to work in after i drop it in the white mini

It's not the laygear you replace, but the layshaft.
They are $50 -$90 depending where made and material spec. Dearer is better. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:


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