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  1. 4

    1971 7.5/hp merc link & sync?

    Need some help guys with a 1971 7.5/hp merc. Timing placard reads .195 BTDC 34 1/2. Yes, I read the FAQ on link & sync but not getting anywhere. Don?t know if I even have a trigger screw with a T-bolt ignition? Starts easy and idles nice but hard to get to WOT and dies when power is reduced...
  2. 4

    71 20hp Johnson drive shaft seal replacement

    My son's 71 20 hp Johnson (20R71S) weeps some oil after shut down from the small holes in the LU. I guess I need to replace the drive shaft (garlock) seal and shift rod (o-ring) seal? Might as well replace the impellor while I'm there? Any help or tips in performing these task would be...
  3. 4

    71 7.5 HP Merc Low Compression

    Inherited a siezed 71 7.5 HP merc with bad primary ign wires and stripped #2 plug threads. Appears water enterd cyl's. Was able to un-sieze over time by removing side cover soaking rings with aerokroil and rocking flywheel. Pulls through smooth but #2 cyl compression is noticably lower than #1...
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