Vespa 125 Nuova Restoration

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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Sat Jun 16, 2018 9:42 am

The consensus of opinion is that the crankside bearing isn't mounted perfectly straight on the crank and is well known as being an utter bastard to fit correctly.
I've purchased the solution:

Image

It's a 2 part bearing. The plain bit is mounted into the case and the roller bit is mounted onto the crank.
Apparently they slip together quite easily when you close the engine.

If I'd known all this 3 months ago the bastard would have been finished by now.
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Re: Vespa 125 Nuova Restoration

Post by Dirk @ Sun Jun 17, 2018 9:30 am

For the sake of accuracy, it should be
Il Duce wrote:
If I'd known all this 3 months ago the bastard would have moved on to some other fcuking problem that I would be swearing at by now.
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Mon Jun 18, 2018 9:40 am

Dirk wrote:For the sake of accuracy, it should be
Il Duce wrote:
If I'd known all this 3 months ago the bastard would have moved on to some other fcuking problem that I would be swearing at by now.


Hmmm. Hadn't thought of that.
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Jun 22, 2018 9:11 am

My bearing remover arrived and the bearing was duly removed. Took a little heating and freezing but eventually it popped off. Excellent!

The new 2 piece bearing also arrived. I heated the bearing seat in the engine case with a blowtorch. Whilst I was doing that I thought " hmmm I've a spare hand, I know, I'll put the bearing on the bench and freeze it with spray freeze"

Heat heat.
Spray spray.
Heat heat.
WOOOOOOOFFF!

And that's how the whole bench turned into a barbecue.
Yes. If you read the back of the "freeze your nuts off" tin, it tells you it's flammable.

Luckily the fumes burned off after about 5 seconds (that's a long time when it's a fire) and went out but I'd like to award myself a Darwin prize.


Anyway, bearing went in like a dream. Engine cases reassembled and it turns beautifully. Clutch in. Clutch cover on. Head on. Rear brakes on. Rear hub on. Exhaust bend on. And we end up with this:

Image

Exactly where I was 2 months ago but with a motor that isn't jammed.
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Re: Vespa 125 Nuova Restoration

Post by S1K @ Fri Jun 22, 2018 9:20 am

Excellent news. Should be all ready for the big fight at the seaside with the rockers on August Bank Holiday.
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Jun 22, 2018 9:26 am

S1K wrote:Excellent news. Should be all ready for the big fight at the seaside with the rockers on August Bank Holiday.


Thankfully Barry Island is only 15 minutes away, or 3 hours when you're pushing it.
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Re: Vespa 125 Nuova Restoration

Post by Deuteronomy @ Fri Jun 22, 2018 11:31 am

This is good news ID!
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Jun 22, 2018 11:51 am

Deuteronomy wrote:This is good news ID!


Yes. It must have been getting boring. Now we can look forward to a different problem.
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Re: Vespa 125 Nuova Restoration

Post by manfromdelmonte @ Fri Jun 22, 2018 4:47 pm

Great work.

Especially the conflagration.

It's going to be a bloody good feeling when you ride that thing faultlessly down the road.
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Jun 22, 2018 5:24 pm

manfromdelmonte wrote:Great work.

Especially the conflagration.

It's going to be a bloody good feeling when you ride that thing faultlessly down the road.


Ever notice that the blokes who build space rockets never actually get in them?
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Aug 03, 2018 8:28 am

A constructive Thursday afternoon.


Fitted some wires
Image

Then taped them up and fitted the spade connectors and circle connectors to each end
Image

Fitted the fan cover, spark plug lead and plastic motor cover.
Image

Then heaved the bastard into the frame. I was sweating like a blind lesbian in a fish shop.
Image

Then I fitted all the cables; rear brake, clutch and 2 gears, into their relevant places ready for securing and adjusting.
Image

I was buggered by then so I went down the beach for a walk and a pint.
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Re: Vespa 125 Nuova Restoration

Post by tanglerat @ Fri Aug 03, 2018 9:30 am

Skills.

Good work ID. This thread to rocks!
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Re: Vespa 125 Nuova Restoration

Post by Dirk @ Fri Aug 03, 2018 9:35 am

Some of those cable runs look a bit dodgy.
Take picture 3 where the black cable comes out on the left. It looks like an awful run.
Not your fault ID because the way the cable comes out looks like its designed wrong originally

Over time it looks like it could cause a failure

Or am I missing something that will change that when it is fitted completely?
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Aug 03, 2018 10:08 am

Dirk wrote:Some of those cable runs look a bit dodgy.
Take picture 3 where the black cable comes out on the left. It looks like an awful run.
Not your fault ID because the way the cable comes out looks like its designed wrong originally

Over time it looks like it could cause a failure

Or am I missing something that will change that when it is fitted completely?


Yes it looks wrong. It was wrong.

The square rubber cap on the left has been turned around 180 degrees so the cables fall towards the inside more.

It's now right.

The end of this cable (red white and green on the right) will be taped up and will run into a junction box that screws onto the engine. It will all look lovely trust me.
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Re: Vespa 125 Nuova Restoration

Post by S1K @ Fri Aug 03, 2018 10:10 am

Il Duce wrote:The end of this cable (red white and green...)

How nicely appropriate
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Re: Vespa 125 Nuova Restoration

Post by Dirk @ Fri Aug 03, 2018 10:13 am

Il Duce wrote:
It's now right.

It will all look lovely trust me.

Glad to hear it
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Aug 03, 2018 10:16 am

S1K wrote:
Il Duce wrote:The end of this cable (red white and green...)

How nicely appropriate


I know. Standard colours btw.
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Re: Vespa 125 Nuova Restoration

Post by Deuteronomy @ Fri Aug 03, 2018 2:30 pm

ID - what are you using to tape the loop?
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Aug 03, 2018 5:33 pm

Deuteronomy wrote:ID - what are you using to tape the loop?


If you mean loom, and by loom you mean the 3 wires, then just insulation tape. It was just to hold them together. There are no joins covered by the tape.

I couldn't think of anything else to use although now one of you will say:
"you could have used this (enter name) which is the thing specific for the job and is easy to fit and lasts forever"

Then I will say:
"oh for fvckingcvntybollokikingshittypoops sake.. why didn't I think of that? "
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Re: Vespa 125 Nuova Restoration

Post by Careless Whisperer @ Fri Aug 03, 2018 5:39 pm

Il Duce wrote:
Deuteronomy wrote:ID - what are you using to tape the loop?


If you mean loom, and by loom you mean the 3 wires, then just insulation tape. It was just to hold them together. There are no joins covered by the tape.

I couldn't think of anything else to use although now one of you will say:
"you could have used this (enter name) which is the thing specific for the job and is easy to fit and lasts forever"

Then I will say:
"oh for fvckingcvntybollokikingshittypoops sake.. why didn't I think of that? "


Shrink-wrap / heat-shrink?

Probably easier to tape as you have, but if you ever make changes/repairs the cables will be all sticky and gooey (technical term obvs).
Last edited by Careless Whisperer on Fri Aug 03, 2018 5:39 pm, edited 1 time in total.
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Re: Vespa 125 Nuova Restoration

Post by Pigeon @ Fri Aug 03, 2018 6:23 pm

I like spiral wrap. Easy to put on, easy to take off, and doesn't cover things with sticky muck.
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Sat Aug 04, 2018 9:30 am

Pigeon wrote:I like spiral wrap. Easy to put on, easy to take off, and doesn't cover things with sticky muck.


If it was a loom I would have maybe gone down that route but it's only 3 wires with spades one end and round connectors on the other. If it needs work it's easier just to bin it and make a new one.
Last edited by Il Duce on Sat Aug 04, 2018 9:55 am, edited 2 times in total.
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Re: Vespa 125 Nuova Restoration

Post by Freddie @ Sat Aug 04, 2018 8:27 pm

I must have missed something. Did I see a rather chic navy scooter in your garage?
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Mon Aug 06, 2018 9:52 am

Freddie wrote:I must have missed something. Did I see a rather chic navy scooter in your garage?


Yes that's the BlueBastard I bought last week.

It's an ET3 which is the last model of the Primavera before they changed the body to the PK.
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Mon Aug 06, 2018 10:06 am

Ok constructive Sunday.

Connected the wiring. Don't worry it was much tidier when I'd finished
Image

Then connected and adjusted the clutch and gear cables. Fitted the rear wheel and side door.
Fitted the carb, connected the choke and throttle and fitted the petrol tank.
Image

Then pulled it off the workshop stand and it finally stood on wheels for the first time in many years.
Image
Image
Image
Image


All good so it was bound to go wrong.
Tried the gear change and "ping"! Feck!
One cable came away from the mounting in the headset.
Removed the headlamp to confirm this.
Now this can either mean I didn't clip it in properly when I fitted it, or it's worked loose during the fiddling or there is a major problem with the gear change or headset mounting. Or both.

We all know it's going to be the worst case scenario don't we?

I watched John Carpenters film, Christine, yesterday.
This must be Christine's downer sister as at least that bugger fixed itself.
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Re: Vespa 125 Nuova Restoration

Post by tanglerat @ Mon Aug 06, 2018 11:53 am

Il Duce wrote:All good so it was bound to go wrong.
Tried the gear change and "ping"! Feck!
One cable came away from the mounting in the headset.
Removed the headlamp to confirm this.
Now this can either mean I didn't clip it in properly when I fitted it, or it's worked loose during the fiddling or there is a major problem with the gear change or headset mounting. Or both.

We all know it's going to be the worst case scenario don't we?



On the one hand, it might indeed be the worst possible scenario. On the other hand, it might've been you.

What are the odds? 50-50? I'm on your side here ID, but I'm hoping in this case it's down to you!
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Mon Aug 06, 2018 12:56 pm

tanglerat wrote:
Il Duce wrote:All good so it was bound to go wrong.
Tried the gear change and "ping"! Feck!
One cable came away from the mounting in the headset.
Removed the headlamp to confirm this.
Now this can either mean I didn't clip it in properly when I fitted it, or it's worked loose during the fiddling or there is a major problem with the gear change or headset mounting. Or both.

We all know it's going to be the worst case scenario don't we?



On the one hand, it might indeed be the worst possible scenario. On the other hand, it might've been you.

What are the odds? 50-50? I'm on your side here ID, but I'm hoping in this case it's down to you!


Listen, I clicked it in properly when I fitted it so discount that option- check the photo below.
There's a slim chance it may have wiggled out with all the tooing and froing of the cables.

This is what the connection looked like before I mounted the headlamp

Image

It's the unit on the right. The rear cable.
My greatest fear is that the bit the cable nipple clicks into maybe spread slightly which will mean handlebar off which is a bastard nightmare.

Oh no hang on. Biggest nightmare is that the gear changer down at the engine is too stiff for the cable to pull because then it'll mean- engine out and strip.

I can't do that again. I really can't face it. I shall sell it "as is".
That being a massive annoying troublesome cnut.
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Aug 10, 2018 9:29 am

Productive afternoon.

First thing was to fix the centre stand which was too stiff to flip up on its own. Removed the clamps put two washers behind and refitted. Lovely! Then the pliers slipped replacing the spring and the pointed end of the spring buried itself in my finger at Mach 3. Lots of blood!

Onward with the gear cable! Refitted it, tensioned it and it worked perfectly. Yay! Refit headlamp and rim.

Start wiring light switch only to discover there is a green wire missing. Remove headlamp and rim. Find wire. Push it out to switch. Refit headlamp and rim. Wire up switch. Remove excess paint around mounting because chrome surround wont fit.

Image
Image

Check throttle and find it's not working. Remove fvcking headlamp and rim. See that the cable circular holder thing has somehow gone past the stop. Wiggle it back. Throttle works. Refit headlamp and rim.


Fill engine with oil. Getting exciting eh?


Put petrol in tank. See petrol pissing out. Remove tank. Tighten fuel tap mount. Refit tank.

Turn on petrol. Pull out choke. Half throttle. Kick, kick, kick. Nope.

Repeat.
Repeat.
Repeat.

Turn off petrol. Close choke.

My opinion is that the jets are probably blocked. I have no intention of stripping the carb as I'd end up with a bench of bits and have to order a new carb plus it'll probably need re-jetting due to the reed valve conversion. Also it needs the timing set up which I can't do. At least the motor turns over freely, there is good compression and there are no nasty sounds.

So. Enough is enough. 33 weeks and 4 days after purchase the little red bastard is finished. Wildcat scooters can now have the pleasure of making it go.

Thank you for reading.
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Re: Vespa 125 Nuova Restoration

Post by Deuteronomy @ Fri Aug 10, 2018 10:03 am

ID, I have to hand it to you, an excellent resto thread with loads more pictures than I ever remember to take.

Re the tape, I was asking as you should use this type of thing (non-stick loom tape) and not insulation tape as they goes sticky, falls off and leaves a horrendous mess.

https://uk.rs-online.com/web/p/products ... lsrc=aw.ds

There's load of non-cloth types as well.
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Re: Vespa 125 Nuova Restoration

Post by Il Duce @ Fri Aug 10, 2018 10:30 am

Deuteronomy wrote:ID, I have to hand it to you, an excellent resto thread with loads more pictures than I ever remember to take.

Re the tape, I was asking as you should use this type of thing (non-stick loom tape) and not insulation tape as they goes sticky, falls off and leaves a horrendous mess.

https://uk.rs-online.com/web/p/products ... lsrc=aw.ds

There's load of non-cloth types as well.


Thanks. I can only put the thoroughness of this thread down to not having a woman in the house.

Good call on that tape. I'd never heard of it before.
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