Custom/Hybrid 15 degrees advance - am i right?

Location
uk
hi guys, i am wanting to check the timing after fitting an aluminium charging wheel...

i plan on finding TDC and marking it up on the flywheel & line that mark up with '0' on my degree chart, then turn the ski over (no plugs in) and take a reading so i can set the static timing to stock.

am i looking for 15 degrees advance of TDC?


thanks

john
 
Last edited:

Crab

thanks darin...noswad!
Location
Seattle
The 15 degree is supposed to be set at around 6000 rpm, but most of us have been advancing at the stator plate ccw about 5mm without issues unless you run a lot of wot.
 
Location
uk
thanks, so whats advance (in degrees) should i be looking for straight off the mark?

its an OEM cdi so no need to check the timing up the rev range right now, i just want to get it set to standard then advance a little from there.

i am pretty sure the flywheel has retarded the timing by quite a lot....
 

Crab

thanks darin...noswad!
Location
Seattle
cant set it that way unless you do static and check it later. NOTICE: Final ignition timing must be checked with a timing light. Please consult your Kawasaki service manual: Stock: 17 deg = .080 BTDC 15 deg. is .078 if I remember correctly
 
Location
uk
sorry forgot to say its a yamaha fx-1 with 62t stator & flywheel...

i do have a timing light, here is what i've done:

made up a gauge with -45 through to +45 degrees and fitted it to the casings.

i then put a mark on the flywheel that lines up with 0 degrees when the piston is at TDC.

So, if the timing should bring an advance of say 30 degrees at 4k rpm - if i rev the ski to 4k i should see my line on the flywheel line up with 30 degrees on my gauge...

so, if i know what advance the timing curve starts at i can set it up from there...

i think its just like setting up a pointer & marking the drive coupler only i can actually measure how much the timing is out.

have i totally got the idea wrong?
 
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