Ignition timing 360/380 engines

[Andy Z]

Hi All,

I was just wondering what ignition advance people are using for these engines.

Cheers,
Andrew
#190

[greeves246]

timming

POINTS 16 THOU 3.1/2 mm BTDC I USE A CURCUIT TESTER ON BUZZ WITH A DTI DOWN THE PLUG HOLE ? IS THIS ANY HELP ?

GREEVES246

[Andy Z]

POINTS 16 THOU 3.1/2 mm BTDC I USE A CURCUIT TESTER ON BUZZ WITH A DTI DOWN THE PLUG HOLE ? IS THIS ANY HELP ?

GREEVES246

Thanks Gary,

I have PVL electronic ignition on the 36MX4, and they don't recommend going to any more than 2.4 - 2.6mm BTDC. This was why I wondered what others were using.

Cheers,
Andrew
#190

[druid]

Ignition timing

Andy,
The factory setting was 3.5mm BTDC but this was in the days of good old 5 star leaded.
I run at 2.8 mm on my late 250 Griffon on unleaded. If the suppliers recommend 2.6mm I would try that, if it's too retarded it will only go flat.

Druid

[Brian Catt]

AH, does the PVL have an advance curve? That may be why they have a different static setting.

[mudmonkey]

ignition

hi there,

the P.V.L does have an advance curve, it depends which coil you have, look on the P.V.L website in Germany.

i run a 380 Qub @ 3.5deg BTDC with P.V.L, BUT the compression had be reduced.

start @ 2.5 deg & go from there, all bikes are different depending on what fuel you use, compression ratio, expansion chamber effectiveness etc

hope this helps

David

[Andy Z]

Many thanks for the replies, sounds like somewhere between 2.5mm - 3.5mm should be ok. Will start at 2.5mm and see what happens!

I hope I don't melt the new piston on Sunday!

Cheers,
Andrew
#190

[mudmonkey]

ignition

see you on Sunday, number 265 if u need any more info bout timing etc

regards

David

Many thanks for the replies, sounds like somewhere between 2.5mm - 3.5mm should be ok. Will start at 2.5mm and see what happens!

I hope I don't melt the new piston on Sunday!

Cheers,
Andrew
#190

[Andy Z]

see you on Sunday, number 265 if u need any more info bout timing etc

regards

David

Thanks David!