Old School Method of One Vacuum Gauge Carb Sync

Revised:

May 2, 2008

Electric Fans to Cool Bike during testing added to the Main Text.
I saw it mentioned in another Thread and thought I'd better add it to my Text of someone wouldn't have fans running to cool their bike while doing the Syncing and have a Head Gasket blow from overheating.

Maybe you know.
Maybe you didn't.

Err on the side of Safety!

 

Ok, sounds easy enough. Do I need to hold the rpm's at 14-16 hundred to measure vacuum AND adjust synch screws?

Thanks,

Rich

 

13-hundred to 1,450 would be a better read.

 

I was just messing around with it and hooked up my vac. guage set. Have a old Honda 4 guage vacuum set. I got all the cyl's close, but I have zero rpm change/response with the pilot screw on the # 1 cyl. I assume its leaking air through the shaft seal on the left side. The e clip is gone, the shim is gone and the seal is wet. Looks like some one used a pair of pliers on the shaft and buggered up the seal.

BTW, where is this site located. I notice the times are all different than mine?

Thanks,

Rich

 

Does a 1983 XJ750 seca need the YICS tool? If so where does it go? A photo would help.

 

this is a old thread but the answers the same.
some people say yes some people say no. personally i'm in the no group.

 

Need: no.

Better to have one: maybe.

 

Not sure what the server clock is set to, but while the site owner is in Canuckistan, the site itself is hosted in Texas, IIRC.

While a matter of debate, the service supplement I'm looking at says yes.

This is your lucky day...

The HCP5460 YICS tool

 

The default website time is set to Saskatchewan (GMT -6:00, same as the rest of the central continent (Dallas, Topeka, ect.)) . You can change it by hovering over your name at the upper right of the screen, clicking on preferences, and changint the pull-down menu to your preferred time zone

 

Thank you