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Post by dusty350 on Jul 23, 2019 12:42:27 GMT 1
Engine number will help !
Dusty🙂
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Post by donkeychomp on Jul 23, 2019 22:32:26 GMT 1
That I can do! I'm back home now but will let you know tomorrow.
Alex
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Post by bezzer on Jul 24, 2019 13:39:28 GMT 1
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Post by donkeychomp on Jul 24, 2019 16:51:54 GMT 1
Yep. Saw that and asked the seller if he has the inlet. No. But thanks for looking! Going to broaden the search for DT80 carbs and maybe an RS100 one? Dusty, the engine number is 2L8 011571 Alex
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Post by donkeychomp on Jul 24, 2019 23:25:39 GMT 1
Wrong carb but fits the same Steve Do you have a link to that carb? And it looks like it's designed for 2 throttle cables or is one a choke or summat lol. Alex
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Post by dusty350 on Jul 25, 2019 7:17:03 GMT 1
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Post by dusty350 on Jul 25, 2019 7:23:09 GMT 1
A quick look on that site tells you the later intake shares with a Ty50, which gives you another option for a carb search. Ebay has a Dt50/Ty50 Mikuni on at ÂŁ30 at the mo. If you can change the inlet to the later 2 bolt version, you'll be a lot nearer. That firm is in Sweden - worth having a chat with them first I think Dusty
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Post by midlifecrisisrd on Jul 25, 2019 10:39:38 GMT 1
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Post by midlifecrisisrd on Jul 25, 2019 14:57:25 GMT 1
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Post by donkeychomp on Jul 25, 2019 17:02:15 GMT 1
Thanks everyone so much for all your help. Looks like I'll be going down the 2 bolt carb route. Going to order the bits tonight. Hope that bloke in Germany will post it as it says 'may not post to the UK'! If not there are plenty of others.
Alex
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Post by donkeychomp on Jul 25, 2019 20:18:48 GMT 1
On second thoughts and after a bit of searching I'm going to measure up and see if that carb Steve suggested for the PW80 will fit. At least with those pics I can see how it mounts on now. And it's a cheap option lol.
Alex
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Post by donkeychomp on Jul 26, 2019 22:38:22 GMT 1
Carb ordered and should be here 1st August. Next...the tank. I've done a Google search on Fizzies and the like and want to have a fairly simple and understated white pin stripe look. But as usual I'm open to any suggestions. The amount of input and help I've had building this little bike makes it seem to me like it kinda belongs to the forum. Without all your help and parts and links etc I'd still be sitting here scratching my head... Alex
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Post by dusty350 on Jul 27, 2019 10:56:17 GMT 1
Another thought, regarding battery. I don't do electrics very well, but will you not need a battery in the bike if it's points ignition ? And I think you need a battery in the system to prevent damage to other components ? I know you can start an Lc/Pv with a dead battery as it's CDI ignition, but don't know if the same applies to points ignitions ? Just a thought - someone will confirm or otherwise. Dusty
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Post by jon on Jul 27, 2019 11:18:24 GMT 1
Another thought, regarding battery. I don't do electrics very well, but will you not need a battery in the bike if it's points ignition ? And I think you need a battery in the system to prevent damage to other components ? I know you can start an Lc/Pv with a dead battery as it's CDI ignition, but don't know if the same applies to points ignitions ? Just a thought - someone will confirm or otherwise. Dusty I don’t know about this engine, but certainly lots of scooters used to run a points setup without a battery. Jon
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Post by dusty350 on Jul 27, 2019 12:15:50 GMT 1
It's worth researching a bit I think. I was under the impression you could damage electrical components on a bike if you left the battery out and didn't have something else in place ? Hope I'm wrong Dusty
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Post by midlifecrisisrd on Jul 27, 2019 13:23:49 GMT 1
It's worth researching a bit I think. I was under the impression you could damage electrical components on a bike if you left the battery out and didn't have something else in place ? Hope I'm wrong Dusty A lot of older bikes use the battery for ballast against the generator/rectifier hence the need for a battery eliminator to absorb some power On another note running a later ypvs with no battery fries the rev counter Steve
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Post by donkeychomp on Jul 27, 2019 22:35:11 GMT 1
It has a magneto...but pretty sure I need a 6v battery to avoid frying stuff. I have a wiring diagram and I'll print it off and see what's what. I don't want to use an ignition key so a bit stumped how to turn it on and off. Would the kill switch suffice I wonder? I mean all is is is one coil. That's the wiring! Nothing else. Oh and the kill switch. I guess the battery connects somewhere down the line...
Alex
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Post by donkeychomp on Jul 30, 2019 21:14:39 GMT 1
The new carb arrived today and it fits perfectly. The cable it came with is rubbish however but I have others and I can adapt something to fit. Not sure what all these pipes are for...surely they can't all be breathers? Alex
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Post by donkeychomp on Aug 19, 2019 21:54:38 GMT 1
Finding time to do anything bike related is getting harder and harder but the carb is almost sorted. The cable didn't slot into the top... So a little bit of careful drilling taking care just to go in a few mm... With that all done I realised I need a washer to go in here... To stop the cable moving in and out. Apart from that the job is done. Next up is some wiring and a bit stumped on how to do that. I'll need a 6v battery (I think) just to stop components from frying. Maybe. Then connect the coil to the kill switch and battery? Really not sure but I'll investigate further... Alex
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Post by oldbritguy on Aug 22, 2019 23:56:41 GMT 1
Nice bit of fettling there Alex Could you adapt that odd looking bracket (last photo)by cutting it and drilling a new hole or slot to hold the cable in place at the twist grip? It doesn't look as though it is doing much as it is.
One of those brass pipes looks like it might be for your 2 stroke oil feed, the other two probably breathers or overflows. As my smart ars*d daughter would ask "what does the literature say?" Probably lost in translation lol
Getting there bud
John
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Post by donkeychomp on Aug 23, 2019 23:02:46 GMT 1
Ah good idea John. Not touched a bike in a few days as my truck is falling apart around me. I've also busted yet another rib so wielding a spanner is not really on the cards and had some devastating news yesterday so right now...pfft. Decided I will have to take the truck to a local mechanic to do what I can do...but can't (rib) and pay him for his services so that means even less money for bike stuff...dammit.
Alex
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Post by donkeychomp on Aug 31, 2019 22:44:34 GMT 1
Tomorrow is start up day. I have the oil pump blanking plate from Dusty (cheers mate) and a friend is popping over to assist...oil, 2 stroke and fuel and fingers crossed!
Alex
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Post by oldbritguy on Sept 1, 2019 0:28:58 GMT 1
Exciting times Alex. Hope things go well tomorrow, fingers crossed here too
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Post by dusty350 on Sept 1, 2019 9:50:47 GMT 1
Good luck today mate Hope she fires up and runs well Don't forget the video !! Dusty
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Post by donkeychomp on Sept 1, 2019 20:47:54 GMT 1
Thanks lads however...Peter popped over today and some simple wiring was needed before she could be started. But there appeared to be none at all. Took off the casing to reveal... Nothing. No alternator/dynamo thing, points, nada. So now I need one of those...hey ho the fun never ends does it? Alex
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Post by dusty350 on Sept 2, 2019 7:45:34 GMT 1
Hi Alex In one of your previous pics it shows a rotor bolted on. You must have a serious rodent issue in your garage !! Or was it next doors cat again ?? Seriously, what happened to the rotor that was on it ? Dusty
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Post by donkeychomp on Sept 2, 2019 10:10:15 GMT 1
It has a flywheel Dusty but behind it there should be the stator thingy. There is one on eBay at the mo...
Alex
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Post by dusty350 on Sept 2, 2019 19:10:04 GMT 1
I see that ebay one sold. Did you buy it Alex ? Dusty
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Post by donkeychomp on Sept 2, 2019 20:38:57 GMT 1
Oh nuts. No I didn't.
Alex
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Post by reedpete on Sept 3, 2019 21:49:59 GMT 1
Magneto ignition ( same as lawnmower) doesn’t need a battery, and to kill the engine you just ground out the LT side of the coil. It would have been a doddle for me to wire up but I was rather surprised to find no backplate assembly or wires....
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