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  #1  
Unread 07-09-2013, 07:05 AM
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spareparts spareparts is offline
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always use a primer bulb sold by an engine manufacture ie: merc/Bomb/yamaha/ Zuki.... The primer bulb will rarely stay hard while the engine is running, you have to overcome what the engine is pulling to get the bulb hard, and once its pulls that fuel, its starts to go down, you're keeping the bulb under vacuum. I would normally go straight to the low pressure pump, but they actually give very little trouble. Pull the pump off the valve cover with teh lines still connected and pump up the bulb, if you have fuel leaking past teh diaphragm, you know the pump is bad. Easy way to test the fuel system is to buy a fuel pressure test kit, they sell them at the auto parts stores for a reasonable price. One thing most people over look on Zukes are the high pressure fuel filter, its not cheap, so it rarely gets changed. If its like most of the engines i work on, the vapor separator tanks needs to be cleaned out, fuel screen needs replacing and then retest, if it still acts up, high pressure pump.
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Unread 07-09-2013, 07:11 AM
Bpitz15 Bpitz15 is offline
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Quote:
Originally Posted by spareparts View Post
always use a primer bulb sold by an engine manufacture ie: merc/Bomb/yamaha/ Zuki.... The primer bulb will rarely stay hard while the engine is running, you have to overcome what the engine is pulling to get the bulb hard, and once its pulls that fuel, its starts to go down, you're keeping the bulb under vacuum. I would normally go straight to the low pressure pump, but they actually give very little trouble. Pull the pump off the valve cover with teh lines still connected and pump up the bulb, if you have fuel leaking past teh diaphragm, you know the pump is bad. Easy way to test the fuel system is to buy a fuel pressure test kit, they sell them at the auto parts stores for a reasonable price. One thing most people over look on Zukes are the high pressure fuel filter, its not cheap, so it rarely gets changed. If its like most of the engines i work on, the vapor separator tanks needs to be cleaned out, fuel screen needs replacing and then retest, if it still acts up, high pressure pump.
Thanks for that information. I do have the VST fuel screen en route. I'll head to NAPA eventually to get the fuel pressure tester as well!

So now, I'll obviously for (maintenance purposes) switch out the water separator filter, fuel filter, VST screen, and fuel primer bulb and test the pressures in the fuel lines as I perform the work. If fuel leaks past the fuel pump when I pressure test the lines I will replace the $140 fuel pump, if not, i'll return it.

I appreciate the help guys!
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Unread 07-19-2013, 08:14 AM
Bpitz15 Bpitz15 is offline
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Finally got to tear into the motor. Varnish everywhere.... See below

What you're looking at is the fuel from the fuel rails in one cup and the fuel from the low pressure fuel filter in the other.

The other pics are the Vapor Separation Tank and the Vapor Separator tank filter (new vs old). This is what happens when you dont winterize your motor or use stabil...

I'm waiting on my High Pressure fuel filter and it should be testing time!

Also tore off the old (OLD) Furuno depth finder and installed my new (to me) Humminbird 788 ci. If theres an interest in a working 1983 model Furuno, throw me an offer! haha

Today i should also be attacking the compounding, polishing and waxing of the hull.
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  #4  
Unread 07-22-2013, 07:37 AM
Bpitz15 Bpitz15 is offline
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Got her out on Saturday afternoon and she runs BEAUTIFULLY!!!

I made it out to Lake Quinisigamond in Worchester, MA I spent about 8 hours on the water with 2 co-workers. Did some swimming, fishing, sight seeing and blasting up and down the lake.

This is what its all about!

I put 21 miles on the odometer and only burned through 4 gallons of fuel. I wasn't being nice on her either. I managed to clock in at 35.2 mph as my top speed. Not too shabby with the 115 on it with 3 grown men and a bunch of supplies.

Didn't do much catching, but we had a blast in the process!
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  #5  
Unread 07-22-2013, 07:46 AM
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RidgeRunner RidgeRunner is offline
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That's right. You did the work, put in the time and now you got to enjoy the fruits of your labor. Nice top end for a 115 too. What a way to join the fray.
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Unread 07-26-2013, 08:57 AM
Bpitz15 Bpitz15 is offline
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Just got a quote from RDS Tanks for $485 + Freight for an exact replacement fuel tank. I have their spec sheet so PM me if you would like to see it. If all goes well and freight doesnt cost a fortune, I will probably jump on this one.

Edit: $150.00 for freight...yeesh!!!

I was very close to purchasing a 40 gallon Moeller tank for $463.00 + Freight. Im very happy I held out.

-Brandon

Last edited by Bpitz15; 07-26-2013 at 12:03 PM.
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  #7  
Unread 07-26-2013, 03:01 PM
Bpitz15 Bpitz15 is offline
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Gas Tank is ordered, should see it in 3 weeks!

Off to Newport, RI tomorrow for the Newport Folk Fest. Gonna be taking off out of the Galillee Boat Launch and camping out overnight on the boat!! very excited!
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