Search results

  1. M

    update post rpm 2200 max under load

    i have twin merc 135 1992 carburated. problem is under load port engine max rpm is 2200 under full throttle. i replaced the stator/ get good spark at each cyl/ compression 130 each/ gas is clean no water/ linkage is correct/ advance spark is by book/ carbs seem clean and i used that merc tuneup...
  2. M

    rpm at 2200 rpm under load will not increase

    i have twin 135 merc outboards 1992. my port engine will not increase rpm under load as i advance throttle. i have clean carbs and needles/ fuel/ throttle linkages correct/ plugs are burning brown/ compression is 130 in all 6 cyl./ lower end has clean oil with no metal/ other engine runs fine so...
  3. M

    rpm under load problem

    my port 135 mercury 1992 carburated outboard is giving me grief and would like some help. at 2200 rpm under load and advancing throttle to full the rpm stays at 2200 and does not increase rpm. carburaters are clean and fuel is clean. engine starts right up and idles at 900 rpm and in gear about...
  4. M

    max 2200 rpm under load

    i have a pair of 1992 merc carburated engines and my port engine is causing havoc. even at the dock when in fwd or reverse with full throttle my rpm is maxed out at 2200 rpm. replaced plugs/ carbs clean/ linkages set properly/ fuel is clean with proper 50 to 1 oil. 3 days ago it ran perfect...
Top