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  1. 81 Checkmate

    Mercuriser I/O hub size

    Looking for a used prop for the pontoon.... 2001 - Mercrusier 3.0 I/O, Alpha 1 - It has a 4 Blade Alum 19" pitch on it now. Not sure what the dia is.... The numbers - 20 mph @ 3400 RPM WOT Found a stainless prop on Craigslist today......13-1/4" x 21" for $20 bucks... The guy said the center...
  2. 81 Checkmate

    81 Mercrusier Instrument Wiring Color code ?

    Im in the process of install the gauges in the Checkmate??.Looking in the Mercrusier service manual #03 that Don posted. Section 3 , Part-D Instrumentation. My question is ?on some of the diagrams it say?s? Pre BIA Color Code and BIA Color Code?What does the BIA mean? Also how does an AMP...
  3. 81 Checkmate

    Eliminating a bunk?

    Getting my trailer ready to put the checkmate on. Finally! Previous owner had brush painted the trailer??Its Galvanized and they did not prep very well. Paint flaking off. Started with a wire wheel to get the paint off but thought the pressure washer would work quicker?..Yes paint came right...
  4. 81 Checkmate

    350 mercrusier....260 - HP/ Exhaust riser gasket question?

    1986 - Serial # B427596...350/260HP I am fixing my thru hull exhaust mess..... with my fabricated switchable..... I had to add a 1" spacer between the riser and manifold to get a better angle and straighter shot out the back + get a better fit to my Y pipe. I have 2 gasket sets. 1- with...
  5. 81 Checkmate

    Chevy 350 casting# and rebuild

    Seeking out advice from the experts. Bought a small block 350 for the Checkmate. It had the 898 -305 in it and I am upgrading to a 350. When I bought it I did not see it running! (I know you should never do this)?....but i realy liked the old guy..... and I tend to believe him. He said it...
  6. 81 Checkmate

    Idea's - How To close in a bow

    Need some info, idea's - how tooo's Wanting to close up the bow and make it a cuddy. Pics-
  7. 81 Checkmate

    My pontoon Adventure!

    Well...... went up to the lake to do one last outing with the pontoon and pull it out for the winter. Weather was great in the lower 70's. So.....just me and my son went tooling around the lake a bit and headed back to the loading dock and all of a sudden heard a big pop while we were making a...
  8. 81 Checkmate

    Rear window defoger not working

    2003 Chevy Tahoe It worked last year and now we are starting to have cold dew mornings. Well it's not working Push the button and light comes on at the dash...... Unplug wire and Check voltage on the plug going to tang on the pasenger side 12.7 volts. Plug it in and check tang again 0 to .5...
  9. 81 Checkmate

    Pontoon Seat Repair?

    The pontoon seats are getting in bad shape, Just the burgundy color. I pulled some of the seats to get some estimates and the first one i recieved was $ 600.00 to replace the burgundy vinyl only. The foam is in good shape also. I dont know if this guy was in the ballpark or hit a home run...
  10. 81 Checkmate

    Steering wheel removal

    Hello All ! I posted this last year and didn't get any answers, Didn't matter i had to go out of town for the rest of the summer any way and couldn't work on the boat. Well i am back at working on the checkmate. I want to remove the dash but i cant untill the steering wheel hub is removed...
  11. 81 Checkmate

    PWC water in bilge?

    Hello. Bought a 1999 GTX Limted ski over the winter for the kids (22&15) bought it off a reliable PWC service mechanic - Serial # ZZN60322E999 Had it out on the lake yesterday,the boy gets on it at the unload at ramp he fires it up in rev as were backing in water. everything good! Let loose of...
  12. 81 Checkmate

    Teak swim deck and trim restore!

    Just thought i would pass on my experience with referbishing my Teak swim deck and Teak wood trim. Been reading on iboats/ google for best results. Here is what i came up with: 1. Remove all wood from boat if you can. 2. Pressure wash wood. 3. Tri sodium phosphate with hot water and pot...
  13. 81 Checkmate

    305 to 350 Motor replacement question?

    Don or any of the other experts. Could you give me a ballpark year range 350 small block that would fit our drive and bell houseing parts. It is for a 1981 Checkmate It has the 898 merc with a R drive. I dont have the serial nimber off the old engine as i dont think it is original as the...
  14. 81 Checkmate

    81 Checkmate Restoration!

    Hi all, I am usaualy over in the Merc I/O forum. We sarted our 1st resto on my son's boat last week and are moving along at a good pace. I have posted some pic's for your enjoyment. Dont laugh to loud we are rookies to this. I am sure i will be asking alot of questions for the experts, but i...
  15. 81 Checkmate

    Pontoon Prop ?

    2001 - 24' With Merc 3.0 I/O Around 3800 to 4200 RPMS at WOT Need best overall performance. Do not tube, Just cruise around, Sometimes 8-9 persons. If someone could give a prop pitch and size recomdation. Aluminum first choice Thanks for your input!
  16. 81 Checkmate

    Merc 350/260 HP No Spark?

    1986 Merc Chevy 350/260 HP Thunderbolt Ing. Boat started and ran fine last weekend. One thing i did notice was a spark coming from the center post to the + side of the coil. This past friday went to the dealer and picked up, New cap, Rotor button, Plug wires and plugs. The boat has sat all...
  17. 81 Checkmate

    Plug Wires ?

    Is there a difference between marine and auto plug wires?
  18. 81 Checkmate

    Thru Hull Exhaust : To do or Not to do?

    Its been a long and cold winter. We finaly recieved some great weather here in S.E Ohio and i dewinterized the boat last couple weeks and got everything ready for this weekend. What a great feeling to get back on the water, crusing around the lake bullcrapen with the family and friends, listen...
  19. 81 Checkmate

    Question for Bondo?

    You stated a couple weeks ago that you could not use log style manifolds for thur hull exhaust becouse they had a downturn outlet off the riser and that Center Risers come out striaght towards the back. I am just asking why that makes a differnce. What i have seen from Mooreperformance.com on...
  20. 81 Checkmate

    Ticking noise at low RPM?

    86 Celeberty 350/260 Hp. Have heard this ticking/clicking noise every now and then only at low speeds. Last weekend when in No Wake zone and sun going down had my son pull engine cover off while cruising. There it was a spark jumping from the coil plug to the positive maybe negitive side of the...
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