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I know it's on here somewhere but i cant find it.
- Jae2828
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- Patton
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1973 Z1
KZ900 LTD
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- Patton
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Jae2828 wrote: I just got my 28's rebuilt by Wired George beautiful work by the way when I throttle it the throttle hangs for a sec or 2 before lowering aging throttle is not sticking If I remember correctly that could be air leak am I correct? Battery wasant fully charged atm neither its on charger right now .Guess I should spray some wd40 at the carb boots see if it affects it.
. . . throttle is not sticking . . . .
With engine not running, there should be noticeable click made by the carburetor slides as they reach bottom when the throttle grip is returned to its closed position (after being slightly opened).
Good Fortune!
1973 Z1
KZ900 LTD
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- 650ed
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Jae2828 wrote: I just got my 28's rebuilt by Wired George beautiful work by the way when I throttle it the throttle hangs for a sec or 2 before lowering aging throttle is not sticking If I remember correctly that could be air leak am I correct? Battery wasant fully charged atm neither its on charger right now .Guess I should spray some wd40 at the carb boots see if it affects it.
Use Carb cleaner rather than WD40. WD40 will make an oily mess; carb cleaner will evaporate and leave no mess. Here's the drill:
The carb holders will eventually develop tiny cracks in the mating surfaces between the holders and the cylinder head that can cause them to leak at idle. These cracks cannot be seen with the carb holders in place. I suggest you try the following. Get the engine warmed up and temporarily set the idle as low as possible without killing the engine (lower than 900 rpm if possible). The lower the better because with the idle very low the slides are nearly shut and the vacuum inside the carb holders is at its highest. Then spray carb cleaner around the carb holders, especially where they mate with the cylinder head and where the carbs attach to them. Carb cleaner works best for this test as it doesn't leave an oily mess with WD40 or evaporate so quickly that it is not drawn into the leaks as can happen with propane or starting fluid (ether). If the engine dies or reacts to the carb cleaner, you need to replace the carb holders. Carb holder leak related problems are noticeable at idle but generally don't have much impact when riding because the throttle is open. If you find you need to replace the carb holders soak the screws with Kroil for a couple days before attempting to remove them, and use JIS standard, NOT Phillips, screwdriver bits, and this will greatly improve the odds that you will not break or strip a carb holder fastener as so many have done. Let me know if you need info on JIS bits, I have a good link for making your own at no cost. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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- Jae2828
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Another even more ultra-clean spray medium is propane gas from a propane cylinder (unlit of course), which quickly and easily envelopes a larger area, but isn't as directional as the other more "pointed" spray mediums can be when using a thin nozzle tube.
Good Fortune!
1973 Z1
KZ900 LTD
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- 650ed
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1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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- loudhvx
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1981 KZ550 D1 gpz.
Kz550 valve train warning.
Other links.
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- Old Man Rock
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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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- Jae2828
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- Nessism
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- Jae2828
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