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Are my lobes right?
- KZCool
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1976 KZ750 hardtail
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- KZCool
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1976 KZ750 hardtail
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- Nebr_Rex
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Yes.
Wasted spark ignition,it will fire on every revolution.
Spin the engine over by hand after reassembly.
Watch the lobes,they will be facing each other on overlap(that will be at the start of the intake stroke).
And away from each other on the start of the compression stroke.
2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected
www.dotheton.com/forum/index.php?topic=39120.0
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- Nebr_Rex
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forgot to say that its a 76 kz750 twin.And all the spacings were good but one. its supposed to be .05-.1mm but it was .102, should i still replace it?
You can get by with it if you don't have the correct shim available,but it should be set to within spec.
2002 ZRX1200R
81 GPz1100
79 KZ1000st daily ride
79 KZ1000mk2 prodject
78 KZ650sr
78 KZ650b
81 KZ750e
80 KZ750ltd
77 KZ400/440 cafe project
76 KZ400/440 Fuel Injected
www.dotheton.com/forum/index.php?topic=39120.0
.
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- KZCool
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- zed1015
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yes.So they do fire separately?
AIR CORRECTOR JETS FOR VM CARBS AND ETHANOL RESISTANT VITON CHOKE PLUNGER SEAL REPLACMENT FOR ALL CLASSIC AND MODERN MOTORCYCLE CARBURETTORS
kzrider.com/forum/23-for-sale/611992-air-corrector-jets-
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- TexasKZ
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P.S. When I first saw this thread, I thought you might be e Ferengi! :laugh:
1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough
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- bountyhunter
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On a twin, the pistons move side-by-side but fire at alternating TDC strokes. You get smoother power delivery that way. The spark plugs do both fire at every TDC stroke so there is a wasted spark on each exhaust stroke.So I pulled off the valve cover to check the clearances, and i noticed that my lobes were opposite of eachother. not the intake to exhauts, but each cams lobes. does this mean that the cylinders fire separtely? cause I thought they fired at the same time.
1979 KZ-750 Twin
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- martijn
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- KZCool
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1976 KZ750 hardtail
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- Patton
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So is there any actual benefit to this?
Benefits of wasted spark design include only needing a single coil, and only a single set of points (or other signal), and no need for a distributor.
Spark on combusting cylinder is doing it's job igniting the compressed fuel/air mixture, while simultaneous spark on the other cylinder is wasted.
Good Fortune!
1973 Z1
KZ900 LTD
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- Patton
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