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1975 Z1b Valve Timing - Timing Without a "Mark"
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14 May 2010 19:45 #368018
by Beatpoet
1975 Z1b Valve Timing - Timing Without a "Mark" was created by Beatpoet
I have a problem...
I am putting my 1975 Z1b back together, and am at the point of timing the cams.
The problem: The exhaust cam doesn't have any marks where the manuals (I have two!) say there should be. :side:
See this thread for the a pic of what is in both of my manuals:
kzrider.com/index.php?option=com_kunena&...d=2&id=363495#368010
Any tips/help anyone?
I am putting my 1975 Z1b back together, and am at the point of timing the cams.
The problem: The exhaust cam doesn't have any marks where the manuals (I have two!) say there should be. :side:
See this thread for the a pic of what is in both of my manuals:
kzrider.com/index.php?option=com_kunena&...d=2&id=363495#368010
Any tips/help anyone?
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14 May 2010 19:59 #368022
by Motor Head
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
Replied by Motor Head on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
I suggest taking a close up picture of your cam sprocket and then posting. Should be marked, the guy's here will tell you which mark, just post some pic's.
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
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14 May 2010 20:15 - 14 May 2010 20:16 #368026
by Beatpoet
Replied by Beatpoet on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
I don't see any marks :laugh:
Pics to follow...
Pics to follow...
Last edit: 14 May 2010 20:16 by Beatpoet.
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14 May 2010 20:20 #368027
by Motor Head
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
Replied by Motor Head on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
No pic?
Have you ever used a degree wheel?
You have the manual that should tell you opening and closing degrees for each cam, its a bit tricky the first time.
Have you ever used a degree wheel?
You have the manual that should tell you opening and closing degrees for each cam, its a bit tricky the first time.
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
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14 May 2010 20:20 #368028
by Beatpoet
Replied by Beatpoet on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
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14 May 2010 20:22 #368030
by Beatpoet
Replied by Beatpoet on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
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14 May 2010 20:24 #368031
by Motor Head
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
Replied by Motor Head on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
Well i see a straight mark in your pic about 11 o clock, but I think you may be looking at the wrong side, the marks are on the bolt head side.
Can you see the slot in the end of the cam? This should be the Ignition side/ crank timing marks.
Can you see the slot in the end of the cam? This should be the Ignition side/ crank timing marks.
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
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14 May 2010 20:27 - 14 May 2010 20:48 #368032
by Beatpoet
Replied by Beatpoet on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
I see that slot... I was trying to do it "by the book" (see link above)
The book shows timing from the 'non-BOLT-head' side with a 'mark' on the cam sprocket.
I remember doing my 400 by lining up the notch in the end of the cam... I suppose I'll put it together and see what happens when I roll it over with a wrench on the crank bolt.
Nope, no degree wheel. I've never used one, but I'd like to get one as I've been building engines a lot more often nowadays :silly:
The book shows timing from the 'non-BOLT-head' side with a 'mark' on the cam sprocket.
I remember doing my 400 by lining up the notch in the end of the cam... I suppose I'll put it together and see what happens when I roll it over with a wrench on the crank bolt.
Nope, no degree wheel. I've never used one, but I'd like to get one as I've been building engines a lot more often nowadays :silly:
Last edit: 14 May 2010 20:48 by Beatpoet.
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14 May 2010 20:34 #368034
by Motor Head
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
Replied by Motor Head on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
Non-Head side?
Not sure what that means.
But if the cams have the Notch in the end of the shaft, then using the pic's here or in your manual you should get it in the ball park, then I believe you should see that the straight mark should line up with the valve cover surface, ex cam at the front and intake at the rear. Still need to be the right # of links, and there should be a DOT or Triangle for this, along with a IN stamped next to it. I can't tell from your photo's if those are even stock cams. If you get a good pic up of the whole cam, someone might recognise the manufacturer.
Not sure what that means.
But if the cams have the Notch in the end of the shaft, then using the pic's here or in your manual you should get it in the ball park, then I believe you should see that the straight mark should line up with the valve cover surface, ex cam at the front and intake at the rear. Still need to be the right # of links, and there should be a DOT or Triangle for this, along with a IN stamped next to it. I can't tell from your photo's if those are even stock cams. If you get a good pic up of the whole cam, someone might recognise the manufacturer.
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
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14 May 2010 20:43 - 14 May 2010 20:44 #368036
by Beatpoet
Replied by Beatpoet on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
The straight mark doesn't really line up, at least the one in the rubber, there are actually a few of those straight marks that are hidden by the shadow in my pics... [edit] Or did you mean that notch at the end of the cam?
The "head side" would be the side with the bolts in it.
There is a "28" and an arrow on the intake cam sprocket, so that is all good.
One more pic to follow...
The "head side" would be the side with the bolts in it.
There is a "28" and an arrow on the intake cam sprocket, so that is all good.
One more pic to follow...
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Last edit: 14 May 2010 20:44 by Beatpoet.
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14 May 2010 20:43 #368038
by Beatpoet
Replied by Beatpoet on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
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14 May 2010 20:47 #368039
by Motor Head
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
Replied by Motor Head on topic 1975 Z1b Valve Timing - Timing Without a "Mark"
Yes the notch in the end in that last set of pic's 1st 1, those should be made into both cams, they face out in the same direction. The 28 on the intake, lines up 28 teeth in the chain from the ex cam mark, which is still where you are having a question, right?
1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...
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