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I posted a couple of pictures at the end of the last thread showing a fabrication project I'm doing on a Lambretta and I said I would get some updated pictures so here are 2 more: Click here for the full 1000x563 image.  Click here for the full 1000x563 image.
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Apr 25, 2010 18:50
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| # ¿ May 2, 2024 20:25 |
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Gay Nudist Dad posted:Cool, I'll add this to the op. I haven't got a clue to be honest, but I'm sure I can find out! At a guess I would say at least half of what it originally weighed, because I can just about pick it up and move it around now, whereas when it was a full frame it would take two of us lifting one end at a time! I will try and get it weighed since theres nothing else really to go on it, just some body filler, gear cables and electrics, and a fabricated tank (made from an old petrol can) which is being welded inside the legshields at the front, as opposed to in the body itself, the reason being that it will weigh the front down more and give more grip  The engine in it has been tuned very well too!Just to add, when its done it will be painted satin red and cream (burgundy red) with all stainless nuts and bolts, powder coated rims and hubs, all chrome trim (headlight rim, grips, kickstart etc) and I will be putting it in custom shows in the UK at most of the scooter rallies. Charlie Bubblegum fucked around with this message at 15:35 on Apr 29, 2010 |
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Apr 29, 2010 15:31
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Just fitted a new (old stock) exhaust to my Lambretta today, its a 42mm AF clubman with a Volkswagen pipe welded to the end, and its ridiculously loud. I recorded a video of it but it really doesn't do the noise justice: http://www.youtube.com/watch?v=CGm5u9CB54M
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Jul 13, 2010 20:01
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Been doing some work on my dads scooter today so I thought I would show you a couple of pics:  Scooter is a 1959 Lambretta Series 2, today I fitted a new horn, handlebar switch, rear brake cable and re-wired the headset ready for its MOT. Got more specs if anyone is interested!
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Apr 8, 2011 23:33
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Cheesebot why not upgrade to a 12v electronic ignition? Pretty much no electrical problems at all, and better lights all round, and cheap enough if you know where to look. By the way that's a beautiful series 1, what are the engine specs? All standard? I'm running a series 3 at the minute, a 1966 150 with a stage 4 175 fitted, and a 42mm reverse cone clubman which is essentially a clubman exhaust with the tailpipe from a Volkswagen Beetle on it  My dads series 2 is an Italian 125 frame, but the engine is a 150 casing. We took out the 150 cylinder, crank and piston and put it a 186 Mugello race kit and a Mec crank. Then we did a stage 4 tune on the cylinder (opened the ports and matched the manifold inlets and casings) and put a 28mm Dell'orto PHBH carb on it. The orangey paint is officially Peugeot Sundance and unfortunately we have had a hard time finding a tin to match so we can touch up the scratches. Seats have been re-covered and we also fitted an Indian 12v electronic system and additional front dampers. EDIT: heres an old pic of my series 3 with a sterling exhaust fitted and no right hand runner board: 
Charlie Bubblegum fucked around with this message at 22:10 on Apr 9, 2011 |
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Apr 9, 2011 22:06
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Well the only one that I can find in the US is the one sold by Lambretta Works which is made by API in India, the one I am using is by SIL in India, which I have always assumed is the more popular one, over here in the UK anyway. The API flywheels can't be used with SIL stators and obviously the other way around too, so it would be best to see which is more widely available in your country and go down that route
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Apr 13, 2011 14:41
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The vintage scooter scene in the UK at the moment is bigger than it has ever been, there are around 10 clubs in my small town alone, so I have been getting a lot of work recently fixing, tuning and fitting scooters for people. Here's a few pictures of Lambretta/Vespa maintenance to show you what myself and my club do almost every night of the week  Typical state of the oil in every Lambretta I have opened.  The scooter on the left was making a squeaking noise when it moved, turned out the bloke was riding with the rear rim halfway off, the nuts were close to falling off.  The pink Vespa was leaking fuel everywhere, none of the electrics worked, oil seals were knackered etc.  A 1956 Lambretta LD 150 I am helping a friend to build. It's had a complete engine overhaul and an entirely new wiring system up to now.  An engine I built for a client, Lambretta Li 125 engine fitted with a 186 Mugello kit, stage 4 tuned, 30mm Dell'orto PHBH carb, expansion pipe, 12v electronics kit,  Another angle of the same engine showing the carb.  My mates Vespa PX 125, that thing did 30,000 miles and all we had to change were the piston rings. We stripped it last week to paint it, completely stripped, painted and rebuilt in 1 week.  That's a picture of myself having to tighten the cables on my Lambretta, the clutch was slipping on the journey there but it turns out the plates had worn out so I had to limp it home after this picture and strip the engine down.
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Apr 17, 2012 01:29
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Update on the Lambretta LD in my picture: today I got it running! It's the first time myself and the owner have heard the engine running since he bought it. We also almost suffocated/poisoned ourselves when I kicked it off inside and didn't open any doors http://www.youtube.com/watch?v=k_gGZM5ZvjM&feature=youtu.be
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Apr 17, 2012 17:48
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Went to check the colour of my spark plug today (I've been changing the carb jets to get my performance just right) and I ended up discovering that the mounting plate on my exhaust was cracked and the pipe was hanging off. Had to replace the exhaust with a standard pipe which took longer than it should due to the U-bend clamp being broken aswell. I've got a 35 mile ride tomorrow, a 100 mile ride on friday and 85 miles on Sunday and I am going to have to stop every now and then to tweak my jets to the new pipe and hopefully not heat seize my cylinder 
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Apr 18, 2012 23:13
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I reckon I should be okay, I've got some spare jets with me so I can change as I go until I hit the sweet spot. Luckily I've never managed to seize an engine, although I did go to Kelso and back (480 miles round trip) and when I got back I stripped the cylinder and found out I did the journey on half of a piston ring  It had nipped up slightly the week before but released itself, little did I know both rings had shattered but most of it went out of the exhaust port, leaving half a ring in the piston. It was bogging down like crazy on the hills all the way there and back but I had no idea a scooter could even run like that until I got home!
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Apr 19, 2012 00:28
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Well my journey at the weekend went terrible, on the way there I couldn't get the scooter over 50 and on the way back it wouldn't go over 40 and I had to chuck it in the backup van. No amount of jetting would change the performance so I am now looking at an electronics issue. I am hoping it is something to do with my spark plug cap or HT lead and not the CDI unit or stator plate. Either way I have a lot of playing with a multi meter ahead :-(
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Apr 24, 2012 16:33
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A standard P200 gearbox has 1-N-2-3-4 gearing. If you are struggling to get it into 4th then you're right it is usually a loose cable issue, and while I am not saying tightening them up will definitely solve the issue it is definitely the first thing to try. If I remember rightly you should also check the small box on the side of the engine that holds the gear selector, I think if that comes loose it can affect your ability to get it into gear as it pushes the box out rather than the plunger in. Also as far as I know, if the clutch is having problems then the chance is that you wouldn't be able to get it into any gear at all, not just 4th. I would say, in my opinion, if the issue is anywhere it will be in the gear selector, I would hazard a guess that something is stopping it popping your gear selector into 4th. As an additional check have a look at your handlebar which you use to change gear. I have seen on a couple of scooters that sometimes this doesnt move round far enough to pop the gear in (I had this problem with a Lambretta recently) and instead just knocks against the stopper in the headset, in which case you will need to adjust it. Aside from that the pin that holds the roller to the handlebar could be loose in the hole, meaning instead of going into gear it would be cushioning itself on the pin. Check all of these things before considering buying a new clutch, hope this helps EDIT: additionally I know that the cruciform (so called because it looks like a cross) in Vespa gear selectors are notoriously rubbish, my brothers snapped in his engine at least 3 times. That can cause you all kind of gear problems so there is another avenue to check out if nothing else solves your problem. Also they only cost about £13 so it is cheaper than a full clutch. EDIT 2: after reading your post again it says it goes in and out of gear errantly when touching the left grip, this could point to the clutch being engaged too far in, although that wouldn't explain why it won't pop into 4th. If you can get a picture of the clutch for me all laid out I can easily tell you if you need a new one as for the gritty shifting, this could indeed point towards the clutch not engaging properly at all (or the cruciform being knackered). OF course after all of this there is still the possibility that your clutch is on its way out and needs to be replaced
Charlie Bubblegum fucked around with this message at 15:15 on Apr 26, 2012 |
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Apr 26, 2012 14:58
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Not so much a wizard, I've just been building vintage scooters for nearly 8 years now (since I was 16) and trust me when I say they break down all the time well Lambrettas do, Vespas are more reliable but the knowledge is pretty much transferable, the main difference being that Lambrettas run on a chain drive while Vespas run on direct drive also follow those links that Gay Nudist Dad put up, chances are there are guys on those sites that know more than me about Vespa engines, or that have even had the same problem as you before.
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Apr 26, 2012 19:40
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Holy poo poo and I've just been riding my scooter at 75mph in just a pair of combat trousers, I should really invest in a bike suit! On a plus note my Lambretta is fixed, turns out the pickup on the stator plate has broken, only £12 for a new one, I might have to put in a new low tension coil aswell. Swapped out the full stator unit for a spare one I had and ripped the gently caress out of it up the road, up to 75mph for now (reckon I can tip 80 though), it has never ridden so well
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Apr 30, 2012 22:01
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Lambrettas aren't really fast, a standard 150 will do about 45-50mph. Mine has had some tuning and some upgrades done to it, it has had what we call a Stage 4 tune done to the engine I have been running on standard drums since I built the bike. Unfortunately a hydraulic disc brake for the front wheel of a Lambretta runs you about £250, some are cheaper but aren't as good. You can fit a Piaggo zip disc and hub on the front but that's taking away from the original parts and look of the bike. Most scooter riders on the UK scene shell out for a disc brake but I just can't afford one at the minute. As for shocks my front suspension is standard, you can get serious upgrades for the front suspension: basic outboard shocks, outboard motorbike shocks or one of the best ones is to get some steering dampers from a Suzuki GSXR and adapt those to fit the front forks. Unfortunately for the best performance these all require some welding, and while I can get that done for free it is the re-painting of the forks I can't afford at the moment Most riders just use standard indian escort outboards and I reckon I will put some on at some point. The cut down project I am working on we have fitted a Yamaha R1 motocross bike shocker to the back, a guy in the town that I live adapts them for Lambretta frames. On my touring bike I have fitted an upgraded Hagon rear shock that is adjustable and does the job.The rear hub on most Lambrettas is brand new as the old ones wear out due to many reasons, and we fit brand new upgraded brake pads so that goes towards helping you to stop. Some clever guys with custom bikes fit rear disc brakes but they are expensive and have to be custom made to fit the hubs. 75-80mph is loving terrifying but not because of the brakes (I can stop quite well really), it is because you are riding on 350x10s and everything on a Lambretta rattles and starts to come loose over 50. A few friends have snapped shockers and burst tires and even seized cylinders and melted pistons, but, and while this sounds daft, it's all part of owning and tuning a 50 year old italian shopping bike really
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May 1, 2012 00:26
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Here are a couple of pictures, they aren't mine but they show the upgrades. Those are the adapted Suzuki GSXR steering dampers used as front shockers (also a disc brake).  That's the Yamaha R1 shocker adapted for Lambretta frames. I thought the Yamaha R1 was a motox bike but it turns out it's a road/race bike so sorry about that  Those are some more outboard front dampers sold by another company. Most guys now also run on either Michelin S1 tyres or Schwalbes for extra grip as the standard Continentals that were put on as factory standard aren't good at all if you are doing those sort of speeds. Of course the guys who ride standards and want to go for that original "mod" look still use Continentals Unfortunately I've not got a picture of the zip hub on a Lambretta but it's not really a common thing to do, I have just seen a few people do it as a cheap way of adding a hub with a disc.
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May 1, 2012 13:58
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DavidAlltheTime posted:Well, my (2009 Symply50) scooter is stalling. Only sometimes, but it's still scaring me (as I just got it). When I come up to a full stop, the engine will just cut. Either right after I stop, or just before. Is the idle set too low? Is it a carburetter problem? Anyone else encountered a similar issue? Start the scooter up when it is on the stand, rev it up a bit and then take your hand off the throttle, if the revs come down to idle and then it stalls chances are your idle screw needs adjusting. If it is cutting out while your revs are still high but the scooter is stopped then it could be an electrical issue, eg a faulty earth or something like that. :-)
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May 5, 2012 18:58
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Bloody hell, I got that stator problem fixed and now my clutch is playing up, Ive got to spend a few hours stripping it out and inspecting the plates and whatnot. Ive got a 500 mile round trip coming up and it would be nice if the bloody thing worked I should probably try and source a comfier seat for the trip aswell!
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May 13, 2012 00:23
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Nayato posted:My scarabeo 50 has started to lose power after the first few seconds of throttle, and seems to have a hard time getting above 20-25 on a flat surface. I've looked around a bit and it seems likely that I have a blocked or partially blocked carb or maybe an air filter that needs replacing. I was thinking of starting by running some seafoam through next time i put gas in. Is there anything else I can do that might fix it without having to actually break things down (or, more likely for me, take it in It's either a blocked jet or throttle valve or a stator/coil problem. As I found out recently if any part of your electrical system is causing the spark to not be as strong as it should be then it can act as a rev limiter and the bike won't go faster than a certain speed. You will need an electrical tester to find that out though, and you will need to strip the carb to see if the jets are causing the problem too.
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May 14, 2012 21:29
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Im finally going to be making some headway soon with the cut down project I posted in here ages ago. Due to an ongoing medical condition resulting in me losing my job the project has had to be on the back burner for a couple of years now. Well in a fortnight I am finally getting the last bits of welding and fabrication done to the frame and after that I am starting the body filling and sanding process and giving it a coat of primer ready for paint. Only thing for it now is to raise a little bit of cash for a paint job and some shiny bits, oh and a new stator plate because I had to salvage the one from the engine to fix my LI150
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Oct 3, 2012 00:59
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| # ¿ May 2, 2024 20:25 |
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A few pictures from my current and ongoing repair session with the Li s3. So far I have stripped out the clutch to replace the plates, taken the tank out for cleaning, stripped the cables out for replacing, stripped the headlight out for replacing, took the front hub off to be split and cleaned, took the rear hub off to be replaced due to a crack through it and finally welded up two struts that had broken off underneath the legshields!    It's the most serious repair session I have done on the scooter since I first built it, taking it for a 200 mile round trip next weekend so doing all this so it will hopefully pass the MOT!
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Oct 18, 2012 00:27
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