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Mikunis won't idle down
- mark1122
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- Keep twisting it
it seems that part of the problem with tunning these is that they diont seem to make an autable dif when u adjust them.
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.
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- Godfrey
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1981 650CSR frame
1980 KZ750E engine
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- TeK9iNe
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mark1122 wrote: these are RS34 flat slide carbs. the mixture screws are only good for 1/8th to 1/12 turn out.
it seems that part of the problem with tunning these is that they diont seem to make an autable dif when u adjust them.
:laugh: Pardon my ignorance, I memory lapsed that out of the equation.
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79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
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85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
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- Kidkawie
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- I bleed premix
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2004 KX125
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- TeK9iNe
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Godfrey wrote: I mentioned last night that I was considering replacing the mixture screws and o rings cause they seemed nonreactive, well this morning I could tell I was adjusting them, so I'm gettin closer. Again maybe that Old Kaw man knows somethin when he says to buy 115s and put them in before you even mount the carbs. I kinda did the same thing puttin bigger idle air jets in. At least it feels like it.
On these carbs, the pilot screw is a "mixture" screw, and therefore enrichens the mixture at idle when turn out (counter-clockwise), and thus leans it when turned in (clock-wise).
Incase you didnt already know :blush:
If the rpm continues to increase right to the max, or min (around 1/4 turn open), then that tells you what step to change the pilot. All the way out higher rpm - larger pilot, all the way in - smaller pilot.
PS. THIS:
Would solve all your problems in a jiffy - trust me!
Motorcycle Shop Owner/Operator
79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors
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- TeK9iNe
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Kidkawie wrote: A month to tune carbs. Lol
Quiet your blabber hole boy. A good tuner gets them done in a weekend. A great tuner gets them perfect in a season.
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79 Kawie Z1000 LTD
81 Kawie Z1000 CSR
83 Honda VT750C A
85 Kawie GPZ900 A2
86 Zukie GS1150 EG
93 Yamie XV1100 E
Lucky to have rolled many old bikes through my doors
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- mark1122
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- Keep twisting it
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TeK9iNe wrote:
Kidkawie wrote: A month to tune carbs. Lol
Quiet your blabber hole boy. A good tuner gets them done in a weekend. A great tuner gets them perfect in a season.
Very true.
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.
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- Godfrey
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Walk a mile in my shoes;) , yeah I know you would rather ride:)
1981 650CSR frame
1980 KZ750E engine
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- Godfrey
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1981 650CSR frame
1980 KZ750E engine
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- mark1122
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this also tells u that the lower vacuum signal provided by the larger carbs is not the problem, since the problem still exists with smaller high vac carbs.
.
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.
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- Motor Head
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- FIX UP YOUR BIKE RIGHT AND CHEAP
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Nothing wrong with an Idle speed of 1300, its the fact that once warm you can't get it to return. I'm sure you've eliminated the cable, and other mechanical. All slides set at the same height, etc. The fact that is seems the same with a second set of carbs, and manifolds, that suggests either a ignition or valve train issue.
I never saw anything posted about the ignition timing? Have you a good quality light that has a degree function, so you can track the advance through the RPM range?
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.
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- Godfrey
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1981 650CSR frame
1980 KZ750E engine
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