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  1. J

    Disconnecting the VRO

    Read the faq section good articles there. Then search vro on this site an sit back and read away. Lots and lots of articles on this subject
  2. J

    max rpm's on v6 center console

    I have a 19' aquasport and a 150 crossflow that will not get more than 5100 rpm at wot moderate load. Compression is 80 to 85 on entire motor lync and sync is correct, timing set at 28, plugs are tan when checked right after a wot run, carbs are 1" bore 83 150 carbs just soaked and rebuilt. The...
  3. J

    83 crossflow tiny tach

    I have a tiny tach on my motor but it only works if I pull the plug wire back a bit creating a gap between the plug and wire. It is for the motor as I got it right from tinytach I was wondering if anyone has heard of this? I am running QL 16 V champion plugs Should I change them?
  4. J

    Johnson V6 Crossflow timing

    I was sitting here in the subfreezing temps wondering about some things. One thing, other than fishing on the boat in the summer, was if its high combustion temps on a johnson/evinrude crossflow or any two stroke for that matter that cause the carbon problem would it not be wrong to try to lower...
  5. J

    78 150 tilt trim gunk and pin problem

    I just had to change the tilt trim motor on my 78 150. Port transom bracket came right off (what a suprise) But and a big but all three screws for the motor broke. I took the tilt trim unit off to drill the screws. I had to cut the tilt pin to get the unit off, It looks like someone mushroomed...
  6. J

    X dimension and prop size on my 19 cc aquasport 150 johnson crossflow

    I had it out today and tried a 15x17 prop that I had lying around. 5100 rpm and 44 mph holeshot was unreal. My question is I can trim all the way up and not lose prop bite. It knida rooster tails and you can see the water spray from the cav plate come out at a 45 degree angle. I still have 2...
  7. J

    Fluke Fl88 meter for rpm? Johnson 150

    Anyone use a Fluke multimeter with the inductive probe for checking Rpm? What setting do I use? I just remembered I have the inductive pickup for my FL88 meter. I know this is very accurate on a four stroke but I never tried it on a two stroke. Thanks For the replies
  8. J

    235 crossflow carbs on a 150 powerhead

    can I run a set of 235 carbs on a 150 powerhead? I have a set of mint 235 carbs and was thinking about trying them to rule out the low wot rpm being carbs?
  9. J

    150 crossflow wot problem

    Had my 78crossflow v6 out today. Wot 4200 rpm but for about 10 min it ran at 5800 wot while bouncing around in ocean. Could this be the stator? It has 6 new coils(replaced them before it was started) and 2 new powerpacks (no spark on any cylinder and had two new packs from previos motor swapped...
  10. J

    Voltage output from johnson stator

    I have a 83 150 crossflow does anyone know the max output from the stator in voltage? I know that the amp output is low but it makes like 15+ volts at higher rpms. My tach does not read right and I have a replacement but I don't want to damage the new one if this is bad. I have a new rectifer...
  11. J

    Self test horn kit

    Does anyone know where I can get a self test horn kit as my boat has a morse control and no horn?
  12. J

    150 crossflow wot rpm

    My used 150 crossflow project is running. Wot rpm is 4200 with a 14 1/4 21 prop on a 19 aquasport center console 3/4 tank of fuel and one person. I know I need 5800 the motor runs smooth with no noticable miss. Compression after the run was 87 to 92 psi on all cylinders cold. Is this my problem...
  13. J

    Johnson crossflow horsepower question

    I know this has been brought up before but I want to hash this out once and for all. Johnson crossflows V6 in 150 175 200 and 235. What is the difference in the ratings? I know that they went to the 2.6 for the 235 in 83 and that the exhaust is much larger on a 235 than the rest but as far as I...
  14. J

    1978 v6 crossflow150 prop selection

    I have a johnson 235 crossflow 1978 that lost compression on number 6. I am replacing the powerhead with a 150 used powerhead due to the fact that 235 was too much power on my 73 19-0 aquasport center consloe. The 235 was topped out at 5100 rpm at about 62 mph on flat water. I need the best prop...
  15. J

    Powerhead rebuilding pitfalls and gasket kits?

    I am in the process of rebuilding my 1978 235 Johnson. I just want to know from you guys that have done alot of these what are the most common pitfalls the novice engine builder experiences with two strokes? I have alot of experience with auto engines as I have rebuilt many of those. Two strokes...
  16. J

    235 1978 low compression on one hole

    My 78 235 crossflow has low compression on the starboard bottem hole (no. 6) I pulled the head and the ring is broke It did not break the ring land off the piston just bent the top a little bit. I geuss I caught it in time. The cylinder has a small scuff in it. I was wonering if I could just...
  17. J

    primer choke question, retrofit?

    I have a 78 235 johnson and have had carb problems. I have a set of like new 83 235 carbs. They have the primer choke and no choke plates. Can I retrofit to the newer primer choke system? The fuel rail that supplies fuel to the carbs has a small line that is plugged. Can I use this to feed the...
  18. J

    carb idle jet question

    I have a 78 235 johnson and it runs fine at mid throttle and beyond. At idle it lean sneezes i have cleaned all the carbs and it is better I also replaced the low speed orfices with new factory sizes. The marina said sometimes you have to jet them up to get them to run better. My question is...
  19. J

    235 78 johnson timing problem

    I have a 78 235 tl johnason that runs rough and misfires at an idle and to about 1/8 throttle. I tried to sync the carbs and ing. But heres my problem. When I do the throttle pickup setting I get 5 degrees btdc, when I advance the throttle to do total as soon as I get to the point that the motor...
  20. J

    78 235 johnson carbs

    I am looking for info on 78 235 johnson carbs. Mine seem to run lean at lower rpms and I have cleaned them 3 times all orfices are clean but one idle jet is stuck in top carb and looks like someone screwed it up tring to take it out. I have a set of v4 140 carbs but I dont know if all the jets...
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