trev
2nd Class Ticket
Posts: 23 
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Post by trev on May 15, 2018 22:02:18 GMT
I have had to strip the engine and carb.
Finally got it going and reeves and changes gear and rides ok but the problem is I can't let the throttle down as it cuts out.
Have tried to adjust the screw but can find the idle setting.
Any tips please.
Am I missing something?
Do I start with it screwed right down and give it 1/4 turns or right out and 1/4 turns?
Do I need to adjust the cable?
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Post by phattanglo on May 16, 2018 8:23:00 GMT
Sorry if I'm being obvious but are you adjusting the right screw.
The idle adjuster is the one on the top of the carb that goes through the middle of the air filter.
The screw at the back of the carb is the pilot jet mixture adjuster.
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Post by scooterg on May 16, 2018 8:34:34 GMT
Also have you adjusted mixture jet adjuster ( the one at the back ) that’s a right b@#£ard to get to if you
have a starter motor,,,previous experience, lots of knuckle skin and blood
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Post by phattanglo on May 16, 2018 11:45:02 GMT
Also it depends whether your carb is a dellorto or a spaco. That determines how many turns your idle jet screw wants turning out from screwed full in. About 1.5 turns for the dellorto and about 2.5 turns for the spaco due to differences in the screw thread.
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Post by ironsloth on May 16, 2018 19:48:15 GMT
I got rid of the starter motor... This is what I feel like when working on the Vespa.....
Fat handed t**t.... 😆
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Post by scooterg on May 18, 2018 23:39:43 GMT
I like the starter motor for when I stall,
,,just can’t seem to be able to kick start a Vespa when sitting on it
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Post by ironsloth on May 19, 2018 7:18:13 GMT
It is a bit of an art, lean the scoot to the left slightly and boot it one. I find it's the leaning that helps. What I can say is do not use a Buzzetti kickstart, bloody things. Bought one for £8 6 years ago, and abused it for about 2 years. Then bought another standard one. Poxie folding lever, what a crap piece of kit!! £125 quid on eBay now, I kept mine to remind me how bad they are!
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Post by scooterg on May 19, 2018 8:57:44 GMT
Will always use the kickstart to start the thing
Button for the embarrassing stall
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