Newb needs help with transmission, vibration and prop

[tundra03]

First off...the boat ran good in reverse but as I applied throttle in the forward there was a vibration in center of boat and once on plane then vibration disappeared.
Second. ....this red light came on i
at idle and went out with throttle input

There was no major vibration on plane...only during takeoff

the prop is a
12.5 x 15.25 VL - 1 1/8 - 615

Any thoughts or suggestions would be very appreciated

20150404_140746.jpg

[chpthril]

this red light came on at idle and went out with throttle input

Yes. It monitors v-drive pressure. low rpm = low pressure = light on. higher rpm = pressure = light out.

Because these boats dont go fast in reverse, its plausible that a bent prop or other cause of vibration, would only be noticeable in forward.

[tundra03]

When I rotate the propeller by hand....should it rotate freely or should it have resistance? Also what is your opinion of my current prop?

[chpthril]

resistance

[lee]

If the strut is wet it should turn with one hand, dry takes more effort.

[boardman74]

What does your current prop look like. Even a small amount of damage can give you a vibration. I bent the very tip of one fin 2 summers ago, so small you could barely see it, but you could feel it. Especially under hard acceleration.

[tundra03]

What does your current prop look like. Even a small amount of damage can give you a vibration. I bent the very tip of one fin 2 summers ago, so small you could barely see it, but you could feel it. Especially under hard acceleration.

Prop looks to be okay, the guy I bought it from said he had it fixed because it had bent blades. Didn't realize that could cause that much vibration. I'll look into getting a different prop to see if that helps the vibe

[chpthril]

May be fixed, but could be out of balance.

[tundra03]

resistance

I see your an acme dealer? In your opinion if I were to get an all around prop, what's your recommendation? Going on the assumption that my prop is probably bad or needs work. my existing could be a great backup blade

[tundra03]

FYI.....going from a IO to a
v-drive is a huge learning curve

[lee]

You could have a bent blade. Take the prop off and put on a sheet of glass and see if will wobble or if it lays flat.

[tundra03]

I'm going to pull the prop shaft out as well to rule it out. Bonus....the previous owner shows concern and is willing to make it right.

[lee]

The strut would be bent before the shaft is bent.

[chpthril]

I see your an acme dealer? In your opinion if I were to get an all around prop, what's your recommendation? Going on the assumption that my prop is probably bad or needs work. my existing could be a great backup blade

Lets assume your 22V has the blue 1.48:1 drive = 1433

Lets say it might have the black 1:1 drive = 653

[tundra03]

I have a (Black) Velvet Drive 1:1 Model # 10-17004 & (Blue) Walter Gear Drive 1.46-1 Part# RV26D

So either way I need a spare prop.....So i can use my existing for the spare and the new one for my primary. I'm going to Ski, Board and Surf. Acme 1433?

Thanks For your help