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Gearbox drain plug

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cugsy View Drop Down
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    Posted: 06 Jan 2018 at 16:50
Where is it? I can see the top filler plug and the middle level plug but...I think I can guess....is the drain plug for the gearbox oil underneath by the bloody exhaust?  Jobs for tomorrow
Honda nc750x ...hmm - a superdream for the 21st century? ZZZZZZ But the goozi is back running..yesserii jim bob. Fun time
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Tarquin View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tarquin Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jan 2018 at 16:52
Yes it is Cugsy.

Remove silencers and centre expansion box and then you will get to it.
California 111 70th Anniversary Model, California 1100i 75th Anniversary Model, Honda ST1300


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cugsy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cugsy Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jan 2018 at 16:57
Knew it - only just put them feckin' things on.....
Honda nc750x ...hmm - a superdream for the 21st century? ZZZZZZ But the goozi is back running..yesserii jim bob. Fun time
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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jan 2018 at 23:57
The joys of Guzzi ownership.
Brian.

Better 5 minutes late in this world than years early in the next.
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Mike H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 00:24
Is this a Tonti frame bike? I could always reach mine with a socket & an extension. The balance pipe didn't quite line up with the plug.


"Chicken nuggets don't dance on a Tuesday."
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tarquin Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 08:40
Mike, I have a feeling that Cugsy will have this full size collector box on his bike rather than the smaller, H section balance pipe that are fitted to many others.

With this in place I doubt that any access to the drain plug is available.


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Dave P. View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave P. Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 08:50
I wonder if the blokes on the design team spoke to each other.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ken-Guzzibear Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 09:58
It's a learning curve ....manuals are free to download well worth taking a look see saves loads of cussing and the old 1 step forrard then 2 back shuffle when you change the oil measure it in the oil level 'ole can be inaccurate I have always added some molyslip, or at one time Guzzi actually had wee bottles of additive that was I believe an off the shelf additive that they re labelled so it appeared "exotic" it was a PTFE additive
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jpc Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 11:04
Originally posted by Dave P. Dave P. wrote:

I wonder if the blokes on the design team spoke to each other.

They may have:

- Hey Luigi, look, I've put the drainplug at the bottom, they'll NEVER think to look there !

- Ha ha, and I've routed the exhaust UNDER the engine, they're really screwed now !

Guzzi critisizers deserve to own a Norton Commando ! (My Ultimate Curse , as in "May you live in

interesting times")

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Post Options Post Options   Thanks (0) Thanks(0)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 11:39
And what's wrong with Commandos pray?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jpc Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 12:52
No motorcycle is ever "wrong", but in my limited experience the Commando takes the cake for

unrewarding complexity. I would start with the Isolastic monstrosity. If you can't stop the engine

destroying the rest of the bike, maybe it's time for a new idea ?

Then, the six separate, leak-prone oil containers (tank, crankcase, gearbox, primary case, swingarm

pivot "reservoir", remote oil filter) and assorted plumbing...

Etc...

So, where it comes to faulting the designers for the shortcomings (including mine) of the mechanics, 

there's little to blame on the big block Guzzis.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote iansoady Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 12:59
The isolastic system worked very well if properly maintained. The 1974 828 Commando I owned for 20 years and several multi-thousand mile trips around Europe didn't leak oil as it was properly put together. I have a photo of mine in the forecourt of a hotel with the Leaning Tower of Pisa as background and it left not a drop of oil on the marble flooring.

The main problem, as with much of the British bike industry, was management determined to keep older designs going past their sensible life and refusal to invest in modern machinery, preferring to extract the maximum shareholder "value". A bit like many companies today......

Velocettes are known for needing engineer owners. Perhaps the same can be said for Commandos.......
Ian
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cugsy View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cugsy Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 13:57
Blimey! I must invite these off topic diversions...isolastic mounts..wheres me zimmer frame?

Anyhoo, its all done. I had a look with big torch this morning (little torch wasn't good enough) and saw the little shoite hidden underneath and just where the collector box is...
 So, I went out for a bimble to warm her up (despite the wife moaning at me again) and went to Krappy Horse - tried to get a cuppa tea but the 'in crowd' were hogging the place. I couldn't get past the curvy bikers (that was an understatementWink) and gave up. Had a look around and went home via the oil shop for some cheap 10/40....

....before anyone starts, I'll explain. This old cali was swapped for my R850 with a bloke who told me he had done some work on her and she was fairly well fettled. A lying twat is what he is. I rode back from Kent with her in october - 75 miles or so and a huge learning curve. Especially as I thought she had been sorted.  I've done 90 miles since stripping and rebuilding her and this morning I checked the oil. As black as a monkeys bum to quote Monty Python. F##king awful stuff. And about 4 litres came out - I expected 3 liters or so. Like what the manual says.  Incidentally, despite moving the gear lever I still couldn't get a funnel in the filler hole. Luigi mus be pissing himself . Engine oil done for now and I'll drop the 10/40 in a couple of hundred miles and do the sump filter etc with proper oil . The 10/40 hopefully will flush the crap out. (She sounded much sweeter after too)
  Final drive oil - with a breaker bar I got the filler plug out. Could not get the middle plug out and even the drain plug was a bugger to remove. Watched in awe as maybe 3 teaspoons of black oil dribbled out. Flushed that with gear oil and put the 250ml in. 
  Took the exhaust off ....again...to get to the little bleeding gearbox drain plug. Again, gobsmacked a s pretty much nowt came out. I poured a litre in to drain out and replaced plug. Put the required 750ml of gearbox oil in and replaced the exhaust ...again. 
  Warmed her up and bimbled up the farm track for a mile or so (no lid or gloves or jacket - just fresh air...lovely). Then back to bed in the garage. 
  She's mine now and won't be suffering the neglect she had from the previous owner/s.  Even when I despatched about 2000 miles or more a week I still looked after my bikes. I know people who don't and that's fine when you're sat at the side of the road 'cos you couldn't be bothered checking or fixing something then LOL     Here ended the sermon...John
Honda nc750x ...hmm - a superdream for the 21st century? ZZZZZZ But the goozi is back running..yesserii jim bob. Fun time
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jpc View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jpc Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 15:16
Originally posted by iansoady iansoady wrote:

The isolastic system worked very well if properly maintained. The 1974 828 Commando I owned for 20 years and several multi-thousand mile trips around Europe didn't leak oil as it was properly put together. I have a photo of mine in the forecourt of a hotel with the Leaning Tower of Pisa as background and it left not a drop of oil on the marble flooring.

The main problem, as with much of the British bike industry, was management determined to keep older designs going past their sensible life and refusal to invest in modern machinery, preferring to extract the maximum shareholder "value". A bit like many companies today......

Velocettes are known for needing engineer owners. Perhaps the same can be said for Commandos.......

I couln't agree more with you, effort on the owner's part can make any bike reliable, but Guzzi's

engineers have made it easier on the owner than Norton's. Very well put about "extracting maximum

shareholder value", what the banks are doing today, and screwing the customer instead.

I raced a Velo Thruxton for ten years, so perhaps we've both paid our dues...

Sorry John for hogging you post, you're doing great, making-a Luigi very-a happy fer shhuure !
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave P. Quote  Post ReplyReply Direct Link To This Post Posted: 07 Jan 2018 at 15:44
Originally posted by jpc jpc wrote:

Originally posted by Dave P. Dave P. wrote:

I wonder if the blokes on the design team spoke to each other.


They may have:

- Hey Luigi, look, I've put the drainplug at the bottom, they'll NEVER think to look there !

- Ha ha, and I've routed the exhaust UNDER the engine, they're really screwed now !

Guzzi critisizers deserve to own a Norton Commando ! (My Ultimate Curse , as in "May you live in

interesting times")

JP



I've owned two Commandos' several Triumphs,Beezers,Laverdas' etc etc.If I didn't think that Guzzis' (especially Loops)were the best of the lot, I wouldn't be riding them.However,there is always room for improvement.

TO LIVE OUTSIDE THE LAW YOU MUST BE HONEST.

1971 V7 Special. 1972 850GT.
1970 T120 Bonnie. 2009 500 Bullet.
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