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Post by dusty350 on Apr 28, 2019 21:21:55 GMT 1
That exhaust looks brand new Great effort Alex ! I'm so pleased you won the right exhaust for the bike - I think it really suits it and keeps the Lc theme - the exhaust looks like it's straight off a 2/350 !! Dusty
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Post by donkeychomp on Apr 28, 2019 22:02:34 GMT 1
Thanks matey! Took some time I can tell you but I am well chuffed with it. Yes, looks exactly like a 350LC one! Just shorter...
Alex
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Post by bezzer on Apr 29, 2019 7:14:15 GMT 1
Exhaust has come out superbly mate, a credit to your renovation skills!!.
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Post by donkeychomp on Apr 29, 2019 11:13:39 GMT 1
Cheers! Carb needs setting up then I can see if the old girl wants to actually start...fingers xxd.
Alex
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Post by donkeychomp on Jul 19, 2019 21:27:26 GMT 1
So, after a while in hibernation I'm back on it. Not using an oil pump so that shaft had to come out... So now I need a blanking plate. Wondering if an LC or RD one will fit. I'll measure that up tomorrow. And I could have sworn when I picked up the engine I had the cover that goes over the pump. If I DO have it I can't find it! And I may need a rubber grommet for the oil pump cable... Next put in the exhaust gasket and that was all the time I had to work on her today. Apart from a few odds and sods all I need is a damn carb. There are 2 types with 2 different inlets. Fowlers shows both but they don't have any. eBay has loads of carbs that won't fit my inlet, yet no actual inlets at all. It might be a case of buying one of the 'wrong' carbs and getting my inlet machined to fit. Meantime I have other jobs to do including finishing the tank and getting the frame welded. But I'd like to get the engine going first! Alex
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Post by 4l04ever on Jul 19, 2019 22:10:05 GMT 1
There should be an LC oil pump gasket in the ones I sent you before, so you can try one on for size. If it fits, it is the same as LC/AC etc.
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Post by dusty350 on Jul 19, 2019 22:17:31 GMT 1
Think I've got a spare Lc blanking plate somewhere Dusty
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Post by donkeychomp on Jul 19, 2019 22:25:31 GMT 1
Oh yes I do have that gasket! And if you have a spare Dusty that would be great. Kinda surprised how little there is left to do on this bike and still can't understand why I stopped working on her... Alex
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Post by donkeychomp on Jul 20, 2019 19:05:48 GMT 1
To my amazement the 350LC gasket is exactly the same size on the little RD. I guess they share the same mountings then but not the oil pump itself...
Alex
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Post by donkeychomp on Jul 21, 2019 22:10:08 GMT 1
Some cracking news. My truck is fixed! Turns out there are four bolts on one side of the transfer case but I couldn't see them as the chassis rail was hiding them. Dropped the tcase out and to my horror one bolt was missing, one was dangling there, one was sheared off and the last one was actually on. Got the sheared one off with heat, swearing and mole grips. Heaved the lot back into place and bolted everything down. Drives perfectly now!
So...this means I can concentrate on the Popsicle. The carb issue. Might take a punt and get the 'wrong' but right carb and adapt the inlet to accept it. That's all it needs to run. Then the usual welding ensues and hopefully I can get a day time MOT!
Alex
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Post by dusty350 on Jul 21, 2019 22:15:41 GMT 1
Great news on the truck Alex What is wrong with the "wrong" carb ? Would it not be better to hunt for the right carb to save yourself work ? There are other jobs you can do in the meantime Dusty
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Post by donkeychomp on Jul 21, 2019 23:57:23 GMT 1
Dusty there are two carbs. One just mounts directly onto the inlet via a metal tube and to be honest I have no idea how that would work properly. The other mounts on via two bolts. And a gasket. That makes sense to me. These carbs are widely available and cheap (ish). About £40 new. There is only one of the other carbs for sale out there and it is a total mess missing loads of parts and that is also £40. Next time I see you I'll show you what I mean. But the good carb needs the correct inlet and they are nowhere to be found, so that's why I'm thinking it might be worth a punt and get my inlet adapted so the carb can just bolt on.
As for Piglet. What a transformation. Back to her usual tyre shredding self again lol!
Alex
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Post by donkeychomp on Jul 22, 2019 0:06:20 GMT 1
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Post by jon on Jul 22, 2019 6:50:48 GMT 1
The mountings of both carbs look the same to me?
What diameter is the spigot on you inlet?
Jon
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Post by donkeychomp on Jul 22, 2019 20:21:57 GMT 1
20mm Jon. Here's my problem... My carb fits perfectly but how do I get it to stay put? The other type of inlet has 2 holes for the other type of carb to bolt onto. Bit of a head scratcher this one! Alex
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Post by midlifecrisisrd on Jul 22, 2019 20:44:22 GMT 1
That carb looks designed to e fitted inside a rubber hence the ridge round it to locate it
The spigot you have is like the dt80mx I had bitd
The carb had a bolt one clamp on it and a sealing ring went between the 2
I'll try and find a pic
Steve
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Post by midlifecrisisrd on Jul 22, 2019 20:49:51 GMT 1
Wrong carb but fits the same Steve
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Post by jon on Jul 22, 2019 21:21:34 GMT 1
My suspicions exactly.
Looks like a similar setup to a lot of scooter carbs. Standard often bolt to a manifold with a stub such as yours.
Jon
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Post by donkeychomp on Jul 22, 2019 22:02:42 GMT 1
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Post by 4l04ever on Jul 22, 2019 22:20:23 GMT 1
How about drilling a bigger hole in the inlet, get a piece of aluminium tube made the same size as the carb welded on, then use a short petrol resistant rubber/silicon tube to join it together? Or find a rubber inlet with the same bolt fixings?
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Post by 4l04ever on Jul 22, 2019 22:24:18 GMT 1
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Post by 4l04ever on Jul 22, 2019 22:26:34 GMT 1
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Post by donkeychomp on Jul 22, 2019 22:27:38 GMT 1
Well, there are no rubber inlets...until now lol. After searching under DT50 I found them. However I need to be sure they fit before I buy one so I will bee checking to make sure tomorrow. Failing all that at least I now have a bunch of options, thanks Rob for yours. Everyone here gives really invaluable advice! Once I have a carb on there all I need to do is minimalist wiring (no battery needed) and give her a kick...
Alex
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Post by 4l04ever on Jul 22, 2019 22:30:51 GMT 1
Maybe get a DT50 inlet gasket to check it fits okay?
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Post by donkeychomp on Jul 22, 2019 22:32:32 GMT 1
An even better idea!! Will order one off eBay now...
Alex
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Post by donkeychomp on Jul 22, 2019 22:34:36 GMT 1
And just went there. A few around. Cheapest is £1.71 from Germany. Guess what his postage fee is?
£17
Alex
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Post by 4l04ever on Jul 22, 2019 22:35:58 GMT 1
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Post by donkeychomp on Jul 22, 2019 22:41:32 GMT 1
Also possible. Going to ask the seller of the rubber inlet the dimensions but I doubt he'll reply as it's a huge eBay company. However it appears the DT and RD are the same engine. Apart from the DT having an off road exhaust. Can't imagine why Yamaha would alter the barrel for a different carb so fingers xxd I can use the rubber inlet.
Alex
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Post by dusty350 on Jul 23, 2019 7:07:08 GMT 1
Do you know what year your engine is Alex ? Fowlers have pics, albeit not great quality, of both the carb types, and yours looks like the early carb which should have the clamp built in like the one Steve linked a pic of. If that can be confirmed I would try and find an alternative carb of the same design that will work as it was originally designed to do. That way you are nearer to getting it right, even if you have to adjust jetting. Maybe speak to Allens - the carb people, or ask the question on the aircooled forum. If all that fails then the other options are there. Dusty
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Post by donkeychomp on Jul 23, 2019 11:42:24 GMT 1
No mate was never told the year or even asked it. But from the Fowlers pics I'm thinking maybe 1977? But as you say there are lots of options now!
Alex
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