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  #31  
Gammel 21-01-2009, 13:40
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Njaee måske - der fandtes 3 versioner af karburatorer til 15 hk modellen en fram til 1980 en fra 1980-87 og en fra 87 og frem

Hvis du kigger på den side jeg har linket til i en tidligere tråd kan du læse:
Citér:
Carburetor, late :Late 1987 & newer production carburetors up thru 1996 were completely different & had the bottom fuel bowl & top made of heavy black plastic. They were apparently designed for easier manufacture as the plastic top has the idle jet in it & the juncture between this top & the main body serves as a passage (depending on the the gasket) for the fuel from one chamber to the other. There is a white nylon collection box that is sandwiched & gasketed between the main body & the bottom fuel bowl that has a removable main-jet on one side. These carburetors appear the same for the 9.9 & the 15 hp with the exception of the main-jet AND the throat dia. in the main body. In the parts list, the main-jet for the 9.9 is spec'ed out at a hole #34 (.055dia), while the 15 is #54 (.110 dia.). The idle jet suction tube comes off this collection box & goes up into the plastic top for suction to the idle jet itself. This arrangement appears to help keep debris out of the jets.

The choke butterfly is the same as the previous models, but the throttle plate is smaller. The internal throat of the 9.9 is about .500 dia. while the outlet hole into the manifold is .750 dia. This is quite a bit smaller than the earlier versions, & the guess is that this newer carburetor is probably more efficient. It appears to have all the screw holes & outboard fittings in the same locations, but whether it would interchange with the earlier versions & function reliably is a question. Probably not in that the the internal castings of the intake manifold appears different also. OMC repair kit #439073, or NAPA /SIERRA part# 18-7219.

If it is more efficient, then the motor will possibly idle better & have less of a black oily residue ooze out of the lower part of the exhaust housing for weeks after it is put into storage. One other observation while the carburetor is off, you will notice the intake manifold has a slight vertical separator on the bottom section up about 3/16". The supposition is that this may help fuel flow to the individual cylinders better. These later carburetors also had an adjustment screw for the cam follower.


Så du kan prøve- der er gode chancer men det er den "midterste" version af karburatorer der skulle sidde på den 15 hk - skulle noget ikke passe kan du jo flytte delene fra den defekte motor
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Nuværende både
Bayliner 175 br 2007 m mercruiser 3,0 / Alpha Gen2
Buster S m 15 hk evinrude 1991
Ryds 14`m Husqvarna 4 hk 1958

Nuværende Motorer
Johnson 5,5 1959
Johnson 3 hk 1957
Johnson 3 hk 1967
OMC el påhængsmotor
Husqvarna 4 hk 1958
Penta U21 1937
Mercruiser 135 2007
Evinrude 15 1991


Tidligere både og motorer
Tabur Yak 3 m 3 hk Johnson 1961
Shetland 536 m Suzuki 65 og 85 hk
Shetland 570 m 200 hk Johnson
Trifoil 14 m 30 hk Suzuki DT30C
Trifoil 14 "de luxe" m Suzuki DF30T
Ukendt jolle m Johnson 9,9
Gummibåd m 3 hk johnson
Honda 75 hk 1996
Sea Nymph 14 R m Suzuki DT30T og johnson 9,9

Og sikkert nogle flere jeg har glemt

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