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Post by looey on Oct 3, 2016 20:59:16 GMT 1
I should be able do some measurements for you tomorrow if I can get to my carbs.
I have 10w, 12a and 11w carbs and my 125LC flies just the same with any of them fitted jetted correctly.
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Post by looey on Oct 2, 2016 9:27:12 GMT 1
If you've got fuel leaking into the crank cases and exhausts with the fuel tap turned off, then you have 3 faults. 1st, and obvious, the fuel tap is leaking past. 2nd, and also fairly obvious, the float valves are leaking 3rd, and often missed, are the overflow tubes in the float bowls must be blocked, otherwise the overflowing fuel would makes its way down those tubes and out the rear overflows of the carbs. Short term, when not using the bike you could pull both pipes off the tap and loop a short piece of pipe between the two tap outlets. Good luck  |
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Post by looey on Sept 27, 2016 8:55:23 GMT 1
I hear ya Mr Bare but I currently have a YPVS engine in my Hybrid and it's not great to get into neutral when running and it makes no difference at all which oil is tried in there (some just smell a lot worse than others.....   ). The engine has been rebuilt twice in my ownership (by different people) and it's still the same  I can find neutral very easy by just tapping it in from 2nd gear just before I come to a stop and also with a blip of the throttle when stationary if needed, so it's pretty easy to live with. With regard the the different oils, yes, if you run an oil not designed specifically motorcycles (i.e. car engine oils) then you are asking for trouble as like you say, they have friction modifiers and are not designed to come into contact with the clutch plates. But any motorcycle specific oils (which are designed to come into contact with the clutch), 2-stroke specific gearbox oils and any MINERAL ONLY (well any I have come across), have never given any clutch problems at all. |
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Post by looey on Sept 26, 2016 21:41:51 GMT 1
Yamaha Owner's Manual actually states 10w/30 SE.
I do a lot of miles each year on various 2-strokes and have used the GL4, Carlube 10W/30 Mineral, Tesco 10W/40 Mineral, Wilko 15w/40 mineral, Silkolene Light Gear Oil and Motul Transoil and never experienced much of a difference when using any of them.
Certainly none of them caused any clutch slip or made much (if any) difference to gear selection or selecting neutral etc.
You pays ya money........
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Post by looey on Aug 2, 2016 9:52:23 GMT 1
If it's of any use, the genuine head gasket on my YPVS engine is on its third fitment with the thinnest smear of RTV clear silicone and it's never leaked.
But like has been said, if a genuine gasket leaked on its first usage, then something isn't right or it wasn't torqued correctly.
Did you do a warm up, cool down, then re-torque ?.
I do the barrel nuts up finger tight (no spanners), then torque the head down, then tighten the barrel nuts. Then I run it for a couple of mins without coolant in until the barrels are quite warm (but nowhere near hot), then I let it cool all day or overnight, then re-torque, then fill with coolant.
Never had any probs
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Post by looey on Aug 2, 2016 9:46:51 GMT 1
If it's burning gearbox oil I would expect it to be smoking more on the r/h cylinder and the smoke to be more white ish than the usual blue ?.
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Post by looey on May 24, 2016 9:01:17 GMT 1
Fantastic and lucky with the weather  The misses booked me the 3-Day Kevin Schwantz School in Atlanta for my 40th a few years back, just a megga experience (dropped the bank balance a bit though.... lol) |
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Post by looey on May 23, 2016 13:38:21 GMT 1
No, most will have a separate steering lock on the left side of the headstock instead of the UK's integrated one with the ignition. Clocks will be different, the headlight dipped beam will rise the wrong side, and they are almost always 10W full power models, which weren't technically Learner Legal here in the UK like the learner legal 12A specific bike. They did sell a full power 10W bike in the UK as well though. I have a 10W full power import, great bike |
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Post by looey on May 23, 2016 13:30:37 GMT 1
That looks a good opition, does it wire into the bike's loom for power ?.
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Post by looey on May 20, 2016 22:09:29 GMT 1
had you down as a all weather must be getting old looey that LC all done ? Yeah sometimes lol, I am old now but I was only kidding  The LC for Tracey ?. That one's been done a while now, she's already clocked up nearly 1,000 miles on it   |
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Post by looey on May 20, 2016 20:31:36 GMT 1
Anyone got some pictures of a fan fitted to the RD350LC 1982? have some problems with overheating on warm days at low speeds. Thanks Well something's not right, cos they do get warm but shouldn't overheat. The other Sunday we rode to the Ace Cafe for Yamaha Day. It was 27 degrees that day and it took an hour stuck in traffic to get out of London. Our 350LC was registering half on the temp gauge some of the time but no more than that and it ran perfectly the whole time. You must have poor coolant flow in there for some reason. |
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Post by looey on May 20, 2016 20:18:33 GMT 1
Yeah looks like it could be dry & cloudy now. I might bring a couple of 2-strokes up in the van, if it starts raining I can stick em back in |
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Post by looey on May 20, 2016 20:09:36 GMT 1
You could take the fuel pipe off where it connects to the carb and check flow catching it into a container.
Or when riding, try the bike with a different fuel cap, or ride it quite low om fuel (so you don't get fuel slosh out) with the cap not tightened on fully. If air can't get into the tank through the cap, then fuel will gradually stop flowing out the from the tap.
The opening in a main jet can slowly get reduced over time with dried fuel. I have some jet cleaning tools that you can carefully run through jets and you often get a powdery stuff come out, then when you hold the jet back up to the light, you can see the hole is now bigger. A reduced opening in a main jet will normally only show a problem when riding hard when a lot of fuel is required.
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Post by looey on May 20, 2016 19:02:00 GMT 1
Sounds like it could fuel starvation to me ?. Like it can't quite supply the amount of fuel needed at full chat ?.
Tank cap breather, in-tank filter, in-line filter (if you've got one fitted ), main jet partly blocked ?.
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Post by looey on May 6, 2016 11:22:59 GMT 1
What time you planning on getting to the Ace Lance ?. I'm still trying to decide if I can suffer the ride across London to get there, but if not will deffo be at Boxhill. Only thing with Boxhill is, it gets less busy in the afternoons. I think most blokes are only allowed out for an hour or 2 and have to be home for dinner....lol |
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Post by looey on May 5, 2016 21:57:14 GMT 1
It's also Yamaha Day this Sunday at the Ace. Weather looks like it will be good too |
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Post by looey on Apr 30, 2016 11:27:15 GMT 1
I got so p*ssed of with the inability of 99% of tyre fitters being able to fit a tyre correctly (i.e. yellow dot next to the valve) and doing so without marking rims and then balancing them properly that I invested about £60 in everything you need to do them yourself. 6 tyre changes and you're starting to save money from that point on You only need a bead breaker, rim protectors, proper tyre soap, decent tyre levers, some weights and a basic balancer. Last summer I changed the tyres on my GSXR1000 a 190 & 120, did a set of RGV wheels and a few smaller bikes, oh a re-balanced a tyre that I'd previously paid to be fitted as it was way out, so quids in already. Takes a bit of elbow power and a bit of time, and also nice if you have a helper but still quicker than driving to and from a garage and waiting for them to do it. |
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Post by looey on Apr 30, 2016 9:09:55 GMT 1
Andy, Rain is a steady prolonged event from low topped and uniform looking stratus clouds. Showers fall intermittently from cumulus clouds. Showers vary in intensity from minute to minute and from one area or town to another. Let's not even go there with drizzle, and the size of the drops Jon
All it does it rain constantly oop north, so they won't understand stuff like that up there 
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Post by looey on Apr 29, 2016 18:36:17 GMT 1
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Post by looey on Apr 29, 2016 13:05:36 GMT 1
True. Failing that u can all come break up concrete and dig out Base for my manshed Let me have a think about that.......... eeerrmmmmm NO !!! |
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Post by looey on Apr 29, 2016 9:18:47 GMT 1
Not looking good at the moment, Monday is forecast for rain and showers. Plenty of time for the forecast to change though, they can't normally get it right for the same day |
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Post by looey on Apr 28, 2016 21:36:15 GMT 1
You could go up a couple of sizes to play safe and see how it goes with plug colour etc.
It should be fine on standard 12A jetting with a standard unrestricted exhaust.
Back in the day when they were new, we used to stick an Allspeed or Micron on and just raise the needle one clip (clip one notch nearer the pointy end).
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Post by looey on Apr 27, 2016 17:43:16 GMT 1
I'm sure all the usual suspects will be attending if the weather picks up |
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Post by looey on Apr 23, 2016 19:10:39 GMT 1
Wicked |
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Post by looey on Apr 23, 2016 17:21:43 GMT 1
Lovely looking machine and may have cost a fortune to build BUT if you had that sort of cash to spend wouldn't you rather challange yourself and build one? Yeah it's a lovely looking LC but at the end of the day it's another LC with RGV front and rear ends, a few trick bits and a nice paint job. They don't cost a fortune or £25k to build lol |
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Post by looey on Apr 23, 2016 16:47:22 GMT 1
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Post by looey on Apr 22, 2016 19:49:43 GMT 1
Yes probably, if this shite weather does one  |
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Post by looey on Apr 16, 2016 14:03:19 GMT 1
From memory (if I haven't got it the wrong way around), I think the October one is more Jap based but there will still be a good few there for sure. Problem for me is that it will be 90% all the same bikes that are displayed at every show all year round. I know Norbo tries his best to mix the bikes up he displays but on most stands it's the same people on a social weekend with the same bikes each time. We used to go to a lot of shows but haven't been to one for years now  |
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Post by looey on Apr 5, 2016 11:55:37 GMT 1
What do you mean by that ?, take you outside for a bare knuckle scrap ?. Yes , he squared up to me....when he realised I was prepared to meet him outside, he backed down.....I kid you not he was shadow boxing whilst he was talking /shouting to me! You'd have hought I owed him money.. Ha ha ha, what a total idiot |
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Post by looey on Apr 4, 2016 16:58:41 GMT 1
125LC ?.
I've used em plenty of times, sometimes more than once, just a thinnest smear of RTV Clear Silicone both sides and should be fine.
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). The engine has been rebuilt twice in my ownership (by different people) and it's still the same 
