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    Cant get high rpms

    Here are some details..<br />78 Chrysler 75HP on 16ft boat<br />Compression check is 150psi in all 3 cylinders.<br />Carbs rebuilt last yr<br />Tune up done last week by shop<br />new fuel pump kit<br />new plugs<br />new fuel line and fresh gas/oil mixed at 50:1<br /><br /><br />Here is the...
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    no top end and found water...

    Here is what I have-<br />1979-75hp CHRYSLER,3cyl on a 16ft runabout..<br />The highest rpms i can get is around 2700 rpms at WOT and 25mph...I can pull a person on a tube but just barley fast enough to get teh tube on plane..<br />The prop is 13X15 and has a cpl of nicks on each blade.I have...
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    low RPM's Low Power

    78 chrys-75hp.<br />running 17p Prop<br />Compression-150,151,150Psi.<br />Fuel mix-50:1<br />boat is 16ft loaded with 2 batt,trolling mtr,9gal gas,3 people at around 360lbs total.<br /><br />At wot i am getting only 2800rpms and running at 28mph(according to the gps) on board spedo only shows...
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    1978 75hp-compression #'s

    whats should the compression numbers be on a 78,or 79 -75hp 3cyl chrylser outboard??<br />and what is the best way to check them.
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    Rpm's and speed

    I just got a 78 or 79 chrysler 75hp outboard.It was turning about 2800 rpms and running around 25 at wot.I thought it might be because the oil mix was off.The guy told me that he fouls plugs at least once a yr because he runs the mixture oil rich just to be safe.when we got back on the trailer...
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    new to chrysler OB's

    I just got a 1989 renken with a 78 or 79 chrylser outboard-75hp.Are there any engines that are parts compatible with this one? When i look for parts i seem to find lots for johnson,eve,merc,nissan,ect.but dont really see alot for this enigne.I know it needs a new prop.Im going to go ahead and...
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    79 100hp.V4 Please help!!!!

    ok this is kind of long but please read...<br />I took my boat to the mech to find out why i am only getting 3500rpms at wot.they found that my top left cyl is dead.The other three have over 100psi and are within 2psi of each other.The top left cyl has 0psi.<br />My questin is do you think this...
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    Transom Help

    ive got a 1980 sterncraft 16ft trihull with a 100hp outboard on it.The outside of the transom is solid as a rock.The inside where the bildge is is soft at the bottom and i can push the wood in with my finger,the top is fine.Other words the part where the two bottome motor mount bolts come...
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    1979 100hp johnson-LOW RPMS ONLY.

    I have a 79-100hp johnson on my 1979 sterncraft boat.Motor runs good at idle.I can move the warmup lever all the way forward and the motor will jump up to 5000rpms with no problem.When i put it in gear and give it full throttle,I am lucky if i see 2500rpms.It feels like i am pulling a large safe...
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