For all of you to understand I’m going to have to start from the beginning so you get the full picture of my problem/puzzle[:D].
As some of you might know I took my vf into the local garage last year in April to have my carbs synchronized and to have the cam timing looked at, well anyway they made a mess of it and I brought it back home(long story short lol)
Both of the right hand side mixture screws had been so badly drilled[:(!][:(!][:(!] making the carb bodies cracked and untunable, and I had no choice but to find a set of donors from somewhere[:(], luckily[:D][:D] bif helped me out with a set of carb bodies with no parts and mixture screws in perfect order.
I didn’t take me long to swop everything around and to give everything a good clean, because the manifold rubbers had seen better days I purchased 4 new ones and that took a few days to come[|)][|)].
(before I go any further both right hand carb bodies came from Bif, just the bodies…and the left hand side two remained the originals)
If there is one think I dislike and that’s trying to but the carbs back into manifold rubbers[:(!][:(!][:(!][:(!] well I had everything back on the bike and took it for a test ride in the perfect weather(snow[8D][8D]) the response from the throttle was brilliant, 60% better than the carbs before, but when I came to tune her I hit a little problem[xx(][xx(].
When I plumed up my carb synchronizer to the VF the following was reading.
The front right was showing the same as the front left.
The rear right was showing the same as the rear left. (Showing in the red, see below)
It can’t be the fault with the carb bodies Bif supplied me because (I think) Bifs donor right hand side (front) is running the same as the original left hand side (front) which is also the one your unable to tune(master), and Bifs right hand rear is running the same as the original left hand rear which is currently running on the red strip [?][?][?][?][?][?]
The rear two are running into a red strip reading (late valve timing or leak at inlet manifold or heat riser) what does heat riser mean[?][?][?][?][?][?] Balancing calibration vacuum gauges 4 cyl that’s the style if this it makes any difference. Also I’ve checked the pipes for breaks and leaks…
It can’t be leaking at the rubbers because there brand new, and I’ve made sure there seated correctly[:D][:D].
After hours of digesting [xx(] the forum on cam timing [:p][:p][:p][:p][:p](which I thought the problem might be) I spent an hour taking the casings off[xx(][xx(]. I set the rotor wheel on 1:3 (which i hope was right) and all the marks line up apart from the rear exhaust cam which looks to be 1 tooth out facing down, could this be the problem[?][?][?][?][?]
A big sorry to Bif for using his name so many times it’s the only way I could think of explaining myself lol.
Im getting so frustrated lately[:(!][:(!], I know this bike rides beautifully.
I hope you can understand this post and it make perfect sense lol.