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CB750 / Re: re-jetting needed?
« on: July 07, 2017, 09:48:55 PM »
PERFECT.
Sent from my SM-G935F using Tapatalk
Sent from my SM-G935F using Tapatalk
Try our new info resource - "Aladdin's Cave" (Main menu)
Just added a separate link to Ash's Dropbox thread (shortcut)
This section allows you to view all posts made by this member. Note that you can only see posts made in areas you currently have access to. 31
CB750 / Re: re-jetting needed?« on: July 07, 2017, 09:48:55 PM »
PERFECT.
Sent from my SM-G935F using Tapatalk 32
CB750 / Re: re-jetting needed?« on: July 07, 2017, 01:28:20 PM »
Thanks, i have disvovered the Alladins cave, very interesting.
I could fix the ones i have or .. what's your opinion on the replacement in the photo below. Thanks el__burro Sent from my SM-G935F using Tapatalk 33
CB750 / Re: re-jetting needed?« on: July 07, 2017, 12:56:20 AM »
Monologue update.
I received the new condensers from DSS (1 day after order, Impressive) Put them on, all good, bike starts and revs properly. Still i see a spark on both points, 1-4 also bridging on plate too. Also noticed 3 of 4 coils leads arcing onto the frame too at the top connection Not sure how serviceable are the leads to plugs but they should be better isolated. Concerned about the bridging sparks on the points. Then workon the needle position again. Getting there Thanks el__burro Sent from my SM-G935F using Tapatalk 34
CB750 / Re: re-jetting needed?« on: July 05, 2017, 06:17:34 PM »
Latest update.
After testing the resistors and deciding they are gone, i have ordereda set this morning. Not sure about coils testing Here is my finding Primary coil 4.6 ohms Secondary coil, plug to plug 14.8, Plug to (any)pigtail wire 1 . The same reading for both coils. All of this whith the coils mounted on the frame. Fail or..? Thanks el__burro Sent from my SM-G935F using Tapatalk 35
CB750 / Re: re-jetting needed?« on: July 04, 2017, 10:45:07 PM »
The plugs in grey (24..)
are the ones that came with the bike a while ago, i have used them until now. No problem. The blue ones are new, couldn't use them as I have just learned (thanks to you) that the cap has a resistor too (VD05F 5KO) Any good tips to test the condenser on the points. Or eventually a good shop. Tried loading up and look for a spark (like in clymer pic) but none of the 2 have it.. Thanks el__burro Sent from my SM-G935F using Tapatalk 36
CB750 / Re: re-jetting needed?« on: July 04, 2017, 05:52:08 PM »
A full checkup would be along the lines of
Ignition: Advancer not seized, and confirmed working by strobe 👍 points not pitted 👍 points gap and timing correct👍 condensers tested, 👈 》trying to test but what's the best way? visual check for points not sparking👈 》actually points 1/4 have a tiny blue spark when operating. primary and secondary resistance check for both coils plug cap resistance check (plug or cap should be resistor type but not both)👈》 that's next. I'm not sure about result on primary coil. consider new plug 》Are this the right type? (pic) Condensers? Thanks el__burro Sent from my SM-G935F using Tapatalk 37
CB750 / Re: re-jetting needed?« on: July 03, 2017, 10:37:20 PM »
Getting close..
I realized that carb 4 (choke) slide wouldn't open probably causing most of the problems. Also testing the coils realised that some wire and cap connection were loose. Anyway after a short ride i could feel the 3rd part of the throttle not pulling much power. What next? Thanks el__burro Sent from my SM-G935F using Tapatalk 38
CB750 / Re: re-jetting needed?« on: July 03, 2017, 03:13:04 PM »
I have checked it all... spark plug, gap, still 1 and 4 very carbon dry.
Dropped the needle on the 3rd hoping to get better results but... no. When i rev i have black smoke coming from exhaust 1-2. Going crazy. el__burro Sent from my SM-G935F using Tapatalk 39
CB750 / Re: re-jetting needed?« on: July 02, 2017, 10:43:08 AM »
I have static timed it, pulled the needle all the way up, checked the points gap, reser the bowls so they are even, cleaned the plugs, coils ok... still struggling.
I'll try pulling the choke on my next ride. Thanks el__burro Sent from my SM-G935F using Tapatalk 40
CB750 / Re: re-jetting needed?« on: July 01, 2017, 05:26:11 PM »
I have lowered the clip so the needle lets in more fuel, unscrewed the air fuel mix until the plugs were not wet, started the engine, in neutral.. low revs sounds ok, high revs struggles to go.
Then put first gear in to go but it's a struggle. Not sure about my strobo light, I'll try timing with the static method. Thanks el__burro Sent from my SM-G935F using Tapatalk 41
CB750 / Re: re-jetting needed?« on: July 01, 2017, 11:01:15 AM »
Thanks,
I hate having to adjust the needle (is there a quicker way than removing it all apart?) but hopefully it will be worth it. Thanks a lot el__burro 42
CB750 / Re: re-jetting needed?« on: July 01, 2017, 10:06:28 AM »
...the needle in the "highest position" did you put the clip at the bottom of the needle?
Thanks el__burro Sent from my SM-G935F using Tapatalk 43
CB750 / Re: re-jetting needed?« on: June 30, 2017, 11:49:55 PM »
After a short test ride it felt like starving on fuel so i lowered by one the clip on the needle.
Getting slightly better but still struggling. Plug one gets quite carbon fouled but the rest look ok. Thanks el__burro Sent from my SM-G935F using Tapatalk 44
CB750 / Re: re-jetting needed?« on: June 30, 2017, 05:46:57 PM »
Mine was very rich on the 2nd (from bottom) so i went all the way up. Unfortunately i am struggling with setting the timing right. With strobo light doesn't pick any pulse on cylinder 1, ok on 4 and 2/3.
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CB750 / Re: re-jetting needed?« on: June 30, 2017, 02:28:24 PM »
I have also realized that choke lever wasn't opening all the 4 shutters at the same level. Fixed this too.
Thanks el__burro Sent from my SM-G935F using Tapatalk |