Author Topic: Cb350f ignition timing (Read 3669 times)

Dos · « **on:** October 03, 2016, 09:09:22 AM »

Hello all,

I'm doing an ignition test and I realize I'm alittle on the retard side for both 1.4 and 2.3 the f mark isn't lining up in neutral. However the advance marks are wayyy behind the matching mark when I accelerate. Like very far.. I have a feeling even when I line the the f mark up in neutral it's still going to be off.

All of my screws are stripped so I need to dremel a slit to use a flat head

flybox1 · « **Reply #1 on:** October 03, 2016, 09:27:03 AM »

replace all screws.
what is the brand of your points and points plate?

Dos · « **Reply #2 on:** October 03, 2016, 08:00:37 PM »

I know one of my points is a dytachi or what ever that other company is called. I know the geometry on these is different . I recently read that it's better to just line the matching mark in between the two lines when accelerating and not worry what it looks like at neutral.

I know this might also sound silly but my points open and close on no marks. Are they supposed to be closed or open on T or F ?

I'm going to work on the bike Monday so I will take a picture of the plates and points

flybox1 · « **Reply #3 on:** October 04, 2016, 06:24:42 AM »

Quote from: Dos on October 03, 2016, 08:00:37 PM

I know one of my points is a dytachi or what ever that other company is called. I know the geometry on these is different . I recently read that it's better to just line the matching mark in between the two lines when accelerating and not worry what it looks like at neutral.

I know this might also sound silly but my points open and close on no marks. Are they supposed to be closed or open on T or F ?

I'm going to work on the bike Monday so I will take a picture of the plates and points

Open to their widest gap @ (.012" - .016")
Fire light mark on F during idle.
Full advance light mark between l l at 2500 rpm

Deltarider · « **Reply #4 on:** October 04, 2016, 08:16:23 AM »

Quote

Open to their widest gap (.012" - .016") at T

I beg your pardon???

flybox1 · « **Reply #5 on:** October 04, 2016, 08:26:03 AM »

Quote from: Deltarider on October 04, 2016, 08:16:23 AM

I beg your pardon???

Corrected

76400F · « **Reply #6 on:** October 04, 2016, 08:44:30 AM »

Do yourself a HUGE favor and take a hammer and smash those Daichi points so you HAVE to go out and buy OEMs. You'll chase that problem around forever. Believe me.

Dos · « **Reply #7 on:** October 04, 2016, 12:26:14 PM »

Would someone mind taking a picture of their points?

I think I may have an oem one but don't know what the oem looks like! Haha

flybox1 · « **Reply #8 on:** October 04, 2016, 12:44:49 PM »

It'll say TEC or ND on it.
Daiichi has that 3-leaf logo, as seen on the box

Dos · « **Reply #9 on:** October 04, 2016, 03:22:51 PM »

Got it thank you . I think I switched the bad one with a cb500 one

Dos · « **Reply #10 on:** October 06, 2016, 08:32:26 AM »

Update!

2.3 lines up at the F Mark and when accelerates lines up with the | | second mark

1.4 doesn't line up with F at all and goes way past the two marks I put the OEM 1.4 points in what should I do next

Dos · « **Reply #11 on:** October 06, 2016, 08:37:48 AM »

Update again 1.4 was just too big. Now both line up at F however both also lined up on the second Mark | | when accelerating is this OK. They do not go past the second

flybox1 · « **Reply #12 on:** October 06, 2016, 08:38:15 AM »

You gotta do 1&4 first. Always.
Release some tension on the 3 mount screws.
Rotate the whole points plate to get it to fire on the F. Lock it in place.
Now time 2&3, and adjust the secondary plate to get it to fire on F. Lock it in place.
Recheck 1/4, then 2/3

flybox1 · « **Reply #13 on:** October 06, 2016, 08:39:30 AM »

Quote from: Dos on October 06, 2016, 08:37:48 AM

Update again 1.4 was just too big. Now both line up at F however both also lined up on the second Mark | | when accelerating is this OK. They do not go past the second

Should be fine. At what RPM does it jump to full advance?

Dos · « **Reply #14 on:** October 06, 2016, 09:28:28 AM »

When the throttle is all the way down

Dos · « **Reply #15 on:** October 06, 2016, 09:29:09 AM »

Around 6-7 thousand

flybox1 · « **Reply #16 on:** October 06, 2016, 09:37:59 AM »

It should reach full advance around 2500-3000rpm
You need to service your advance unit.
Remove the big nut. Pull off your timing plate, remove the advance unit to clean and lube it.
If its rotation and movement is anything but perfectly smooth, it needs to be disassembled.

Dos · « **Reply #17 on:** October 06, 2016, 09:44:26 AM »

Oh no yeah when I rev it slightly it goes to the last tick I was just saying I crank it to 6-7 thousand and it's at the second tick

flybox1 · « **Reply #18 on:** October 06, 2016, 10:29:40 AM »

Let me rephrase my question....At what RPM does it jump from F to l l ?

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Author Topic: Cb350f ignition timing (Read 3669 times)