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by Piatti
Wed Mar 30, 2011 8:45 pm
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

ratty wrote:if you have a spare coil (cdi) try that,have had the same problem myself,also use stickys book to check the resistance across the stator coils, you will get a good spark but it wont be strong enough to fire up if you have an iffy coil or black pickup.

What do you mean by a black pick up :?:
by Piatti
Wed Mar 30, 2011 8:41 pm
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

Piatti wrote:
dapper wrote:Difference in sound is probably induction noise with carb slide open. Check that choke is operating correctly, and try not to flick throttle open when trying to start

I'll check choke tonight and try kicking over again....

Checked choke and its ok, still no start........
by Piatti
Wed Mar 30, 2011 9:08 am
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

dapper wrote:Difference in sound is probably induction noise with carb slide open. Check that choke is operating correctly, and try not to flick throttle open when trying to start

I'll check choke tonight and try kicking over again....
by Piatti
Tue Mar 29, 2011 6:01 pm
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

Yes, using the TDC tool turned the flywheel one way then the other. Then used timing disc to find the centre of the two points. Followed the process as on Scooter Techniques lambretta engine rebuild DVD. Been told to pour a thimble full of petrol down the spark plug hole and try to kick over, this h...
by Piatti
Tue Mar 29, 2011 5:37 pm
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

Right, set the plug to 0.5 - 0.6mm as recommended in stickys book page 29.
Still no start...

Timing set with TDC tool and timing disc, then when arrow on outer edge of flywheel lined up 19 degrees I adjusted the pick up on the stator plate to match the marks on the inner flywheel.
by Piatti
Tue Mar 29, 2011 7:53 am
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

have you timed it the right side of top dead center ,as you look at stator engine tuirns clockwise , :roll: Yes , marked TDC then marked 19 degrees from the left of TDC which is anti-clockwise.. 'try closing the gap on the plug then try it' What gap does it have to be :?: , its a brand new plug so ...
by Piatti
Mon Mar 28, 2011 7:48 pm
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

have you timed it the right side of top dead center ,as you look at stator engine tuirns clockwise , :roll: Yes , marked TDC then marked 19 degrees from the left of TDC which is anti-clockwise.. 'try closing the gap on the plug then try it' What gap does it have to be :?: , its a brand new plug so ...
by Piatti
Mon Mar 28, 2011 6:16 pm
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

Brand new plug, which I have swapped with another brand new plug and checked...

electronic ignition, timing done with TDC tool and timing disc by myself...

:(
by Piatti
Mon Mar 28, 2011 5:11 pm
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

had many similar problems myself - the one that took me the longest to figure out was a blocked exhaust. if plug is wet and spark looks good - maybe worth checking. Plug is wet after kicking over several times, I'll check the exhaust tonight and report back could be excess oil in cylinder after reb...
by Piatti
Mon Mar 28, 2011 12:52 pm
Forum: Lambretta Tech
Topic: wont start
Replies: 46
Views: 16119

Re: wont start

Mickey C wrote:had many similar problems myself - the one that took me the longest to figure out was a blocked exhaust.

if plug is wet and spark looks good - maybe worth checking.

Plug is wet after kicking over several times, I'll check the exhaust tonight and report back

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