Z2 750 crank (Bossie the Kaw)

Before I did this ,it wanted to bury the red line. I'd be coming up to a light at 55, it would turn yellow, I'd drop down two gears, bury the red line, power shift into second and clear the intersection before it turned red. I'd be listening for unusual noises after that. :whistle:
There is a intersection in Desperate Hot Springs with the normal red light cams and also a round bottom cam. I swear it is being controlled. I came up to it a 45, it went green,yellow,red. Just that quick. I dropped into first, grabbed a hand full and checked my mirror, the light was red. I didn't get a ticket in the mail so I must have made it. :dry:
Steve

Well, I'm about to be on my way. I can tell already I'll need that 16 tooth counter shaft sprocket. 5000 RPM at 70 just don't cut it. With the extra power I should be at 3500 at 55 and 4000 at 70 with the 16. Not many light to lights out here. I'll check back in in a few hours. :whistle:
Steve

Would it be feasible to skim 2.5mm off your block (without pressing the liners out to avoid distortion) and slot the cam gears to get your valves back on time? Maybe even tune for rpm power with some more valve overlap even to take advantage of the undersquare revvy motor?.

The 'unsed' part at TDC is where your compression pressure is highest, the bit at the top of the bore that isn't run in - possible problems going to the other crank now with the same rings?

Tyrell Corp wrote: Would it be feasible to skim 2.5mm off your block (without pressing the liners out to avoid distortion) and slot the cam gears to get your valves back on time? Maybe even tune for rpm power with some more valve overlap even to take advantage of the undersquare revvy motor?.

The 'unsed' part at TDC is where your compression pressure is highest, the bit at the top of the bore that isn't run in - possible problems going to the other crank now with the same rings?

That brings the camshafts closer to the crankshaft sprocket.
The number of links between the two cams and the crank sprocket would be the same but my poor pea brain can see this messing up the exhaust cam timing a bit... retarding geometry?
Maybe someone else can anwser that.

Greetings from Phelan. Started to lose a master link as I was over the hill. At the gas station I put on a spare I had. THIS IS A BRAND NEW CHAIN. Lots of dirt bags up here scoping me out while I was working on it. As I put on my riding gear, one guy walked up looking like he wanted to talk to me. I fired her up and rode away.
Tyrell, I won't be long until I get a 903 crank. I can get new rings at Z1E for $12 a set. I have one extra set anyway. I'm serious about selling the 750 crank. I appreciate you're advice and maybe it would work for someone else. I'd love to go with a 1200 kit but would be happy with a 1105. :whistle:
Bruce, I'm experiencing the same symptoms as you. It seem if I stay at a certain RPM on the FWY, I lose the roll on power. Maybe I'm babying it too much. I know it will lean out and I have 300 miles on it now. As soon as I get to 500, I'm going to bang it through the gears and explore the red line. :woohoo:
Steve

Lucky you noticed the master link could a made for a bad day ....... I ran one for years but this time I had my local repair shop peen the master link on for me just in case...... was a pain removing the swing arm but not really that bad......1105 that gets me excited just thinking about it.

Had a buddy snap his chain when we were kids on his new 160 Honda and it rapped up and cracked the bottom case..... we were 15 and it brought a tear to his eyes (can't blame him) ...... his dad helped him out and the bike shop replaced it for 160 bucks a dollar a cc. (1965 prices)

These bikes have a cage around the counter-shaft sprocket. I put the little cover back on after all these years. I'll bet that's what kept it together at speed. I noticed a clunking and knew right off what it was as I was stopping :pinch: . I had a chain roll out the back years ago. If it wrapes up in the rear wheel, it could be deadly. Like the boy scouts say, "be prepared."
Steve

a lil safety wire wrapped around the masterlink will insure the clip goes "nowhere"!





leon

Mission ,correct, it would alter the cam timing - the 'slotted' cam sprockets allow you to set the valve timing just where you want it,within reason.

Steve, I always use endless chains now, a pain if you have a braced swinging arm but seeems essential on a 100 horsepower plus bike.

My GPz run out of fuel a couple of months ago, hitched a lift on my mates bike for a fuel can and his lady kept an eye on it, it was noticed a couple of dodgy sorts in a car were clocking the bike, and not in a good way GRRR

What's to keep it from wearing off?
Steve

the simple fact that it is wearing on "nothing".

google safety wire master link,it's been done to good effect for years on many different bikes.

leon

Tyrell Corp wrote: Mission -the 'slotted' cam sprockets allow you to set the valve timing just where you want it.

Steve, I always use endless chains now, a pain if you have a braced swinging arm but seeems essential on a 100 horsepower plus bike.

My GPz run out of fuel a couple of months ago, hitched a lift on my mates bike for a fuel can and his lady kept an eye on it, it was noticed a couple of dodgy sorts in a car were clocking the bike, and not in a good way GRRR

I have a tire buddy in my side box.


A few well placed shots will make for some flake's F'd up day. :evil:
Can we say broken wrists and a nasty gash over the eyes? :whistle:
Steve