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  1. gtdavis

    Prop opinion

    I have a 1993 Sylvan 20' pontoon with a 60hp evinrude. Runs 19-22mph (gps) at around 5800rpms wot. with two people, batteries 12 gal of gas and light fishing gear, the prop is pretty chewed up on two of the blades so I don't think I need to mess with the pitch or anything like that pretty sure...
  2. gtdavis

    !993 Evinrude (OMC) Evinrude runs rough at lower RPMs

    Hello all, been a while since I have been on here. Just entered a new to me boating experience. I bought a 1993 Sylvan 20 foot pontoon with a 60 hp Evinrude OMC. I do not have any technical info like compression or spark tests but let me tell you what I do know, After I discovered the magic...
  3. gtdavis

    Dry Gimbal bearing

    Quick question.....Im still tryng to hunt down my "noise" Pulled the outer drive off (old shutters fell out) bellows look great my gimbal turns freely but I can tell its dry and pretty sure its toast.....hooked up the grease gun and pumped a few time all the grease was comming out behind the...
  4. gtdavis

    Exhaust Shutter Question

    Ive got a weird rattle/tapping sound comming from ?back? of motor... cant hear it at idle or on muffs, seems to be a little more noticable when in gear. I figured I would start with the shutter..... I took the pipe apart all that is left is the cross bar that held the flappers?? can the old...
  5. gtdavis

    Multi System Failure???**More New Information**

    Ok I already typed this once gonna try again..... Was out on the water today running about 35mph started hearing a rapid sputter / spitting puffing??? sound None of the guages were affected good temp, oil pressure ect....slowed down and went to a safe area to check it out...went back to open...
  6. gtdavis

    No wake zone???

    Is the definition of "no wake" a matter of opinion??? I was out on the lake with my wife when we decided to go to a water front bar and grill that we often visit.... Anyway as I'm idling Yes really idling.... Any slower would have needed paddles.. The owner comes out and starts yelling at me...
  7. gtdavis

    Hit a floater today!!!

    Okay had a first today.... I hit a floating ??log?? Im not sure how big it was but it shook the boat when I hit it. I didnt notice any hull damage however I have some wood clogging up a couple of my intake holes and the speedo port that I have to remove. Is there anything else I need to look...
  8. gtdavis

    quick prop question *new Info*

    I have an 18 foot Rinker 3.0 merc with a high five prop with 19" pitch. My numbers are ok WOT RPM runs a little high around 45-4700 top end only 36-38 my question is will a 3 blade lets say 21" pitch give me any better MPG Im not worried about losing hole shot we dont ski just tube a little on...
  9. gtdavis

    Lower shift cable?? Alpha one 1994

    Here we go again!!! Noticed the other day my shift inerupter wasnt working and it was clunking with a brief grind into gear. So I adjusted the control arm as it shows in the down load for the Alpha one..... no change if anything worse! (yes went back over the instructions twice ) :confused: Now...
  10. gtdavis

    Vacuum Port on manifold??

    Mercruiser 3.0 Was changing fuel filters and checking for leaks I heard a vacuum "leak" found a threaded hole where it was comming from just under and to the right (stern) side Never paid much attention to it before is something supposed to go there when I cover it the motor dies? I looked...
  11. gtdavis

    High Five Prop pitch markings

    I bought a boat 18ft rinker with mercruiser 3.0 and alpha one drive.....anyway it came with a High five stainless prop it performs well as far as I can tell but I keep reading about over proping and so on..... Anyway my question is are there any markings on the Highfive that indicates the...
  12. gtdavis

    1994 Mercruiser 3.0 (Alpha one) starter problem....maybe???

    I have a 1994 Rinker with a 3.0 mercrusier, I have an electrical gremlin! I have replaced Slave solenoid, Battery, Both battery cables and even the ignition swithch just for the fun of it. Started out having classic "click" solenoid issuses so thats where I started. Now every once in a while...
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