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    Carb cleaning solution?

    Can someone please tell me where I can purchase a good carb cleaner that I can soak carbs in? I went to Napa today and they told me that they only sell it in 5 gallon jugs. Any ideas would be great, thanks.
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    Can low compression cause flooding?

    1978 70HP Johnson, I haven't checked compression and am curious if low compression in a cylinder can cause flooding. I have completely rebuilt the carbs and I'm still having the same problem. The engine starts up great on land but after trailering it and putting it in the water it wont start...
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    Carb jets Special Screwdriver?

    I have a 1978 70HP Johnson, In the manual it says that I will need a special screwdriver to take out the fixed high and low speed screws. I called the local dealership and was told it would take a week to get here and about $18. Does anyone know of any other screwdriver, and where I may find one...
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    CMC Tilt Electrical problem!

    I have an aftermarket CMC tilt for my 70 HP Johnson. The other day on the water it decided to go up but not down. when I examined the tilt relays one started to smoke because they seemed to have some water on them. I came home and replaced both relays and made careful note of where the wires...
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    Choke Solenoid and Carb Reeds.

    1978 70hp Johnson, The spring that attaches from the choke solenoid to the middle carb is missing. Does this normally help keep the reeds almost shut while starting the boat even if you dont engage the choke. The reason why I am asking is that when I start my boat I have to manually close the...
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    Choke solenoid broke

    70Hp johnson that has a spring on the choke plunger that attaches to the middle carb linkage, this spring is broken so it is not attached. Could this possibly cause the carbs to flood because the reeds are not regulated how far they open or close?
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    Air Silencer

    I purchased a 1978 70HP Johnson about a month ago and does not have an air silencer, what is the air silencer for and is it needed for propper engine operation?
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    Timing pointer alignment?

    My manual shows how to do a timing pointer alignment, I did this and noticed that it was about 1 1/2 inches off to the left side. Is there any particular reason to allign the pointer?
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    Carb Questions?

    I have a 1978 70hp johnson. This past weekend I took apart my carbs and installed the rebuilt kit. I put the carbs back on the boat and it is still flooding. I set the floats correctly but I wasn't sure how to set the high and low speed screws or if my carb even has them. My manual is a piece of...
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    How to test if motor is running on all cylinders?

    78 Johnson 70HP. How do I test to make sure it is running on all cylinders. How would you check if it has a bad coil?
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    Carb Nedle Valve questions?

    I have a 1978 70hp johnson. I bought carb kits and took everything apart this weekend. From what I saw in the manual there is a low speed needle valve. I dont seem to have one on my carbs. All I have is a screw in the spot where it shows the low speed needle. Is this suppose to be here? if it...
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    Complicated Carb Questions?

    I have a 1978 70 HP Johnson. I've taken my carbs apart and I'm not sure what parts need to be soaked in cleaner? What type of cleaner should I use? Is it OK for the linkage that is attached to the carb to be soaked? Also how important is it to have the float adjusted correctly? When I was...
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    Trouble Starting and Running 70 Hp Johnson

    I have a 1978 Johnson 70HP on a boat that I bought from a guy about two weeks ago. The man said this boat had been sitting for about 2 years but had been mostly rebuilt 3 years ago including the carbs. The first time I took it out I was left stranded because the starter went out. I changed the...
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    Jump Starting a starter?

    How do I jump start my starter using jumper cables. Can I do it off my car battery?
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    1978 70 HP Johnson, Wont Start, Need help

    One week ago I purchased a boat with a 1978 70HP Johnson. The man said it has been sitting for about 2 years and he rebuilt the engine aproximately 3 years ago. When I purchased it from the guy it fired right up with a charger on the battery and the guy informed me that I would need to purchase...
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