'77 Rally 200 - trying to get it running
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Lurker
'77 Rally 200
Joined: 19 Jan 2018
Posts: 4
Location: Chicago (Evanston)
Mon Sep 09, 2019 6:32 pm quote
Hi everyone, totally new to owning a vintage Vespa. Picked up a 1977 Rally 200 a couple months ago that had been sitting for a number of years (the sticker on the plate expired December 1981), it's a bit rusty but solid. I've been looking online (quite a bit in this forum, thanks!) for tips/instruction as well as talking to friends with Vespas (but don't live near me).

The body was stuffed with a mouse nest, and the air box was their privy, pretty crusty in there. Cleaned up the carb and box pretty well, but the arm on the auto lube cover was solid in place. Took it off, sprayed it with penetrating oil (didn't work), soaked it overnight in penetrating oil but still couldn't get it to budge. So I ended up using a bit more force, eventually got it free.

Reinstalled auto lube cover and carb. When tightened down (not over tightened though) the auto lube arm doesn't spring back. It moves fairly easily, but that is it. Should it spring forward on it's own when installed?

I connected the throttle cable and gave it a quick test to see if the throttle slide would be enough to bring it back. It opens ok, but doesn't return. Throttle slide on carb snaps back nicely on it's own, but when fully connected, no dice.

The throttle slide rod appears to not be pulling straight out and I suspect that is why it catches. I assume it should more or less pull out straight. I thought maybe I had bent the auto lube arm, so I ordered a new auto lube cover, but same problem. Could I have installed the auto lube cover incorrectly? I'm having trouble finding anything that shows me how that should be done. When I took it off there was just the cog and a spring under that. I'll post some photos below.
Lurker
'77 Rally 200
Joined: 19 Jan 2018
Posts: 4
Location: Chicago (Evanston)
Mon Sep 09, 2019 6:48 pm quote
pics

20190707_163719.jpg
crusty carb

20190707_163731.jpg
outhouse

20190718_203154.jpg

20190714_164124.jpg
looks a little better on the inside

Lurker
'77 Rally 200
Joined: 19 Jan 2018
Posts: 4
Location: Chicago (Evanston)
Mon Sep 09, 2019 6:54 pm quote
here is the problem and advice is greatly appreciated

20190831_101452.jpg
before opening throttle

20190831_101440.jpg
rod going to side while opening throttle

Molto Verboso
1974 Rally USA 200 1980 P200e
Joined: 27 Aug 2008
Posts: 1763
Location: Pioneer Valley Ma.
Tue Sep 10, 2019 3:34 am quote
If it were me, I would not chance using that Carb and especially that autolube/air box. It looks too dicey.
If there's even a chance of the auto lube not working dont use it, you will seize.

Also if that carb is in that condition whats the rotary pad look like in side?

Was this Rally stored near salt water?
You might want to seriously think about a engine rebuild just to be safe, its old.
Addicted
'64 Motovespa 150S (177) , '64 V90
Joined: 27 Mar 2013
Posts: 570
Location: S.Salem, NY
Tue Sep 10, 2019 5:04 am quote
I wouldn't even think of trying to use that carb. The chances that the internal passages are free and clean are virtually nil.
Hooked
'63 VBB2T - '18 300 GTS Super Notte
Joined: 26 Apr 2019
Posts: 177
Location: Belgium
Tue Sep 10, 2019 8:11 am quote
I am waiting for pictures of the Rally before I can say anything else
Lurker
'77 Rally 200
Joined: 19 Jan 2018
Posts: 4
Location: Chicago (Evanston)
Tue Sep 10, 2019 12:49 pm quote
Thanks for the advice, will go the route of new airbox/pump and carb. Was actually considering doing this about a month ago, but had to be stubborn thinking I could get it to work...

Haven't had a look at the rotary pad (yet), but the carb/air box were crusted up mainly due to being caked in pee and poo. Will consider a re-build over the winter, right now just want to get it to run.

Not stored near the salt water, as far as I know, but in a dank shed in Chicago area.

Will take a couple photos of the scooter and will post either tonight or tomorrow.
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