air leak

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29 May 2010 15:16 #371917 by seige
air leak was created by seige
I recently bought a 1978 kz650sr. Great bike. Only 10k, bone stock. I recently noticed when she is warming up one of the carbs has an air leak up front. I can see a mist of fuel spraying from between the carb mount and engine. Any thoughts?

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  • Motor Head
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  • FIX UP YOUR BIKE RIGHT AND CHEAP
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29 May 2010 15:23 #371919 by Motor Head
Replied by Motor Head on topic air leak
Probably broke a carb intake manifold, they are rubber seamed to metal and they seperate. Time for some new manifolds, clean out you carbs/ kit them, and check the connectors to the air cleaner housing as those may need replacing as well.
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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29 May 2010 15:37 #371923 by seige
Replied by seige on topic air leak
Thanks for the info, doesn't sound that difficult to do. The guy I bought it from said he recently cleaned the carbs and I also noticed no. 2 and 3 has missing spring clamps. cheers.

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29 May 2010 16:42 #371944 by Motor Head
Replied by Motor Head on topic air leak
Have you got a proper repair manual for your bike? If stuff is missing/ etc from the last guy I would be pulling the carbs apart while I had em off as they can take awhile to get back in, much harder with old air boot to the air box.
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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29 May 2010 17:05 #371953 by Old Man Rock
Replied by Old Man Rock on topic air leak
Bottom right...
KZ650 Service manual for free download....;)

jarlef.no/Kawasaki/Series/Z/650/z650files.htm

OMR
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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