Johnson gt 150 max rpm. The boat is an 87 glassport bass scalper 175. Maximum stabil RPM = 5000 RPM. It was their troubleshooting procedures that I was following when I figured out that blocking diode may be the problem, the video confirmed. Apr 7, 2013 · Re: '89 Johnson GT 150 - Won't Past 3000 RPM, Surges. The guy getting 70 mph If we assume the reworked prop is like a 25" 8% slip nets about 5946 rpm. Jul 31, 2014 #1 When first launched, the motor starts and Mar 11, 2010 · Re: 1989 Johnson GT 150 (Scotty B) Check the plug chart on the top of the page. 150 HP 155 HP 175 HP 200 HP 225 HP GT Jet Light Twin Ocean Runner PT-T Racing Feb 22, 2011 · Although I've read through many posts regarding "no spark", I have been unable to isolate the problem. Jun Manufacturer : Model: Horsepower : Max RPM/Range (Limiter) Gear Ratio: Evinrude ('99) FICHT 2. I dont like to turn the (stock) cast pistons over 6700. And on my boat i really expected high 50's low 60's for a minimum. which one should it be? 4. They will cause great harm to your VRO system you need the QL noise suppressor. Jun 7, 2014 · 1989 johnson GT 150 - idle problems and choke questions - THANKS! Thread starter flb561; Start date Jun 6, 2014; F. 00 A1 4. so about 20 years old so I changed all od those including new plugs and wires so after all that the best I got out of her was 4950 rpm wot . The engine is turning a 14?"x19" OMC viper prop LH rotation. Unfortunately, it does not start. The idle is a little low but it sounds like it runs good through all rpm ranges. The motor does not over heat if it doesn't go over the 3900 RPM range and when it gets to 3900 it don't overheat ASAP it usualy takes 2-3 minutes for it to. You need to get your rpm's verified - Now after I raised the motor 1 hole I'm running 5200rpm at 35mph. 3. mph will be close to same and hole shot will improve greatly. 3 L 190 4400-4800 1. I swapped the coil pack with a cylinder that was giving spark and it was still dead on the cylinder and was working properly on the good cylinder. Thread starter rd1; Start date Jul 16, 2007; R. Jul 23, 2022 · Manufacturer: Year of Manufacturing: Approx. Take an inductive timing light with you and check the spark on all 6 plug wires next time the problem shows up. I'm looking for top speed performance. It is running great, but I've noticed now if I put it from neutral into forward gear, it "pops" and surges, like it's slipping in and out of gear. Nov 28, 2020 · (Testing Tachometer With Water Cooled Regulator/Rectifier) (J. Mar 12, 2008 · Re: Max RPM on 1994 Faststrike 150 Depending on which model you have the rev limiter is at either 6200 or 6700. Sep 2, 2016 · HI all, i have a 1989 johnson gt 150 tj150sclem that i have just rebuilt, replaced a sheared key, and the last issue id like to fix and or check is the timing. I use Renegade Offshore, 14. 0 L 220 4400-4800 1. Thread starter jbpipp; Start date Jul 31, 2014; J. idles smoother also Jul 16, 2007 · 1988 johnson gt 150 running hot. Aug 4, 2008 · 96 Javelin 379SE 96 Johnson 150 (J150ELEDB) Mods: FS carbs, Ficht reed cages, boyesen reeds and 1990 GT 150 max RPM/Prop. my question is. Looking for weight, RPM max etc. In forward gear the boat will not go above about 2000 RPM max speed if I have the controls is about 6MPH. You will then re-adjust/reset the idle timing so that the engine will idle at 650-700 rpm's. Jan 8, 2003 · Re: Max RPM for Johnson 150? Set it up to turn 5800 with an average load. fishincreek. Jul 16, 2012 · I have a friend that is running a 1990 Johnson GT 150 on his Ranger. Wide open throttle RPM range chart for Johnson powered boats. The idle timing can be initially set around the 5-6 degree mark. There are lots of hull designs in 18' bass boats. The base 150 engines got one power pack without Quickstart (584044,) the 150 XP/GT models with the vented 35 amp flywheels got a different power pack with Quickstart (583865. I took it to an outboard mechanic and found that Apr 15, 2013 · I've had the joy of adjusting/replacing the idle jets on many a brand new GT 150's when they first came out. Sep 6, 2013 · Thanks in advance for any help or input I purchased a 1992 Javelin 389T with a 92 Johnson GT 150 on it a couple months back. The best top speed ive ever gotten was 47. When I throttle , i hear the the engine rev up nice and fast, but the rpms on the tach barely move up until im on plane which takes about 8 Aug 12, 2014 · What's the recommended RPM range for my 1990 150 GT? Currently on 15x17 aluminum stock prop spinning at about 5200 rpm. Put it in the lake and it will Idle fine, high idle lever up to any RPM, even throttle up in reverse. Sep 22, 2010 · Re: What Prop would be best Johnson 150 where is cavitation plate in relation to bottom of transom? might pick up rpms if there is room to raise motor. Aug 25, 2010 · Re: 50 hp johnson 1999 j50pleea max rpm ? I had a 97 evinrude 50 and the rpm range was 45-55. He ran it hard for many years without a problem. Since he purchased the boat about a year ago it has been very hard to start. 6L: 150 175: 4750-5250 Dec 17, 2013 · I don't know the typical 150 motor compression but 110 seems a little low for a fresh rebuild. 5x19 SS I'm at about 4900-5000. The rev limiter will kick in at 5800. 25* * May vary based on engine model. 150 HP 2014 Thru 5300-6000 1. Jul 17, 2009 · I have just had this motor rebuild the works and was having a problem with not reaching my full wot rpm range here is what I have changed so far . 3 L 205 4400-4800 1. Hoping to reach close to 50 mph. I have minimal water coming out the pee pee hole at idle and I am sure it should be shooting out, boat idles around 1000 rpm little high but i'm not sure if the overheat would cause a high idle or not. Any help would be appreciated!!! Thanks At WOT I'm turning around 6K rpms. Joined Jul 9, 2013 Messages 56. Speaking with a local prop person he indicated the set up they use for that hull/motor was 4"-4 1/2" below pad. Is this correct or am i over proped? What should the wot rpm range be for this engine? Any help would be greatly appreceated!! May 13, 2010 · Re: 89 Johnson 150 v6 gt with VRO The point is to compare what the max rpm's are currently with what it did before. So, back to the question what rpm's did it used to run years ago, and what rpm's is it running now with that same prop. This 150 horsepower Johnson outboard, manufactured in 1984, is a saltwater model. Boat - Fjordling 18' about 600 KG exclusive engine we have parts and diagrams available for evinrude & johnson outboard wiring : wondering "where-'n-'ell" v-6 motors 150 & 175 hp 1989 35-amp: v-6 May 11, 2009 · Re: 1990 Johnson 150 gt problems You might be having ignition problems. Jul 29, 2002 · I have a 1989 Johnson 150 V6 GT and was wondering what is tha maximum rpm's this engine is rated at and is it okay to keep it at this maximum for any period of time? I have had this setup which is a 1989 Stratos 285 Pro and the 150 HP Johnson for only about 2 months now. So I was thinking that maybe I had a compression issue, even though it starts fine. 62 A1 5. had it to about 55-56mph now without the surging i was getting before. When I got the boat it would barely run, I went through carbs and adjust the timing which I'm not sure what the WOT timing is supposed to be and I set it at 20*. 5. info about your prop. Jan 10, 2016 · I have a 1995 150 hp Johnson Outboard motor (Model # J150ELEOM) that continues to over heat only wen it reaches 3900 RPMS 35 Miles per hour. Different motor heights. . Oct 27, 2015 · So here is the story, I have no real engine complaints other then as of late it has been harder to hit max rpm in the boat when loaded with a few bodies. First one is a 14 1/2 24p raker. It makes no difference whether I run the speed wheel (30 pitch chopper) or the cruising prop (4 blade 23 pitch). <br /><br />Good luck! Mar 16, 2008 · Run it about 5000 rpm and it will last for a long time. This is the new style. 21 alluminum might get you to 5100. 65 B1 Apr 7, 2008 · Been trying to find some info on 1987 150 GT. flb561 Seaman. 1990 Johnson 150 GT, TJ150SLESB, which I purchased as a project but was told it would run. Excellant torque and acceleration. If you use ethanol fuel you may be looking at 100-200 less. 81 A1 4. OK so power pack must be bad. 80 dollars: Evinrude/Johnson Sep 2, 2016 · hey all, just finishing up a rebuilt on an 89 johnson motor and tracker bass boat. Like 10-20+ minutes to get it to kick over and sputter then run. I have never had the cowl off this motor and would like to have someone who has direct me first. Feb 11, 2009 · Re: johnson gt 150 (CAJUNFEVER) In the two pictures of the VRO note that in the lower pic the tube in the top of the VRO (right under the starter nut) is held down with a silver bracket. 62 A1 / 1. This 150 horsepower Johnson outboard, manufactured in 1987, is a saltwater model. The engine weight is recorded at 381 lbs. Sep 3, 2024 · On Muffs or in my 150-gal tank boat starts and runs great. You must set the idle timing by rpm's. With my OMC 14. Vro fuel side failed so I installed new one the coils all were org. Mar 10, 2004 · I just purchased a 1986 Astroglass 175V fish and ski bass boat w/ a 1987 GT150 Johnson!! It has a shooter 4 blade 13. I've also been told that if you are gonna run them harder, increase you oil/fuel mix. That engine will make good hp up over 5500, close to 5700 or so. Dec 9, 2012 · Re: 1989 johnson gt 150 intermitant miss or skip between idle and 2200 rpms You would probably set the idle timing initially around 6 degrees. It has had the carbs rebuilt, has a new vro/fuel pump, recently de-carbonized, fresh fuel, clear tank vents. Because the prop has been on the engine for years does not mean it is the correct one. 86 / 2. i have checked, repaired or replaced every component on this motor and am just finishing up a broken woodruff key. That engine should be propped to run at 5500 at WOT. But it dosent seem to change. May 17, 2003 · Re: 1989 johnson 150 gt help well guys, took the boat to the lake and noticed a bit of difference just by adding treatment to the gas. With the SS OMC, I'm able to top out at about 45 mph @ 4900 rpm. Jul 24, 2011 · Re: Johnson 150 WOT issue, maybe?? Your engine is a 150S model. Thread starter Chuckd; Start date May 3, 2017; C. Thanks guys. That engine was rated to run up to 5500. Sep 12, 2008 · Alarm conditions are in your owners manual but short and sweet, the causes for alarms are overtemp (will put the motor into SLOW), low oil short beeps no SLOW mode, NO OIL SLOW mode and fuel starvation comes on at WOT and no SLOW mode solid alarm. 25 by 25 pitch prop. Motor cover says 24 degrees / 28 max spark advance timing. By hispeed in forum Evinrude/Johnson Feb 9, 2007 · It would compare favourably with a merc of the same vintage and hp. <br /><br />I didn't find any problems with the synchronization. ) Possible you got the Jul 11, 2009 · Re: johnson 150 hp dies in idle The 28 degree timing is for max spark advance-for max throttle-set at 5000 rpm. The steeper prop runs Quote from: Crazyeyes59 on June 15, 2018, 05:55:44 PM I just bought a stratos 279v 17. I think this is the max rpm range for a 1998 150 johnson oceanrunner 60 degree looper. 24" raker prop. 5" below pad. This is a 6 cylinder model. Aug 23, 2014 · Just some data points. Theoritical speed with a 24 at 4200 is about 51 with 0% slip. I have an 18ft Stratos Fish and Ski with basic Evinrude 150 looper. OMC did make two power packs that year. you are currently killing your motor with such a loww wot rpm. i started with a full tear don on the carbs, water channels, fuel tank and various other components. I bought a '77 19' Outrage with a 1991 Johnson GT 150 and I have a problem that can't be solved (That's me throwing down the gauntlet) The entire midrange from 1200 rpm until 4000 rpms it breaks up like it's trying to clear its throat, but then it tears up to 5500. 86/1: Evinrude: Ram FICHT 2. dont be afraid to run 5600-5800 with todays ethanol. Not worth a lot, $ wise. my other problem is my rpm gauge is not worken just tryen to get some ideas. View Profile opinions on 1995 Johnson Fast Strike 150's Mar 12, 2012 · I recently had my 89 Johnson GT 150 serviced, which included getting the timing adjusted correctly. 0 L 135 4400-4800 2. I did a search for Blocking Diode for johnson and i found the CDI website. I've run 3 different props. Peter: posted 08-01-2007 06:45 PM ET (US) Johnson Outboard RPM Forum Topics. Sep 23, 2010 · Your target rpm is 5800 with an average laod. thanks in advance Mar 15, 2014 · OMC made two types of 150's that year. Johnson Outboard RPMs Forum Topics. Aug 13, 2016 · I have an old 1989 Johnson GT 150 motor i am working on that sat for about 6 years. Max rpm per manual is 5500. A) how do i ckeck the timing of this motor B) ho can i set the timing at spec, or Sep 3, 2024 · On Muffs or in my 150-gal tank boat starts and runs great. At less than that you start to run into premature wear and failure. Last weekend I found that I was not getting any spark to one cylinder. All that changes is rpm. 3 L EFI 210 4400-4800 1. 15x17 is what it says I am hitting 5000 rpm at WOT with the new 6" jackplate installed. 150 HP 155 HP 175 HP 200 HP 225 HP GT Jet Light Twin Ocean Runner PT-T Jun 27, 2006 · The Boating Forum - Idle adjustment Johnson 150 - I have a 2005 150 with carbs, everything about the motor is fine except that it is idling at 1100 rpm. These tend to show up when the engine gets to operating temps and the electronics heat up. Sep 7, 2010 · Re: 89 Johnson gt 150 quick start not working The model code on your engine indicates it is a 1990 model. I've noticed that it no longer reaches 5600 rpm like it did last year, maxes out at 5200. I haven't found any info as of yet. The motor. Both are normal specs for that engine. May 9, 2012 · I just purchased a 1991 avenger 176 w/1986 Johnson gt 150. I have cleaned all carbs and replaced gaskets, replaced Dec 22, 2016 · A handy chart put out by Michigan Wheel that shows what your wide open throttle range should be. Throttle pickup timing was at 7 degrees BTDC and rock solid,carbs are in sync, cam follower pickup adjustment was OK. Chuckd Member. jbpipp New member. 100 is usually the rule of thumb minimum on a used motor. The basic 150 will have the stock 328324/325 heads, I'd expect compression to be about 90 on each cyl, plus or minus maybe 5 lbs. Apr 19, 2017 · I have a 1988 johnson gt 150 on a 1989 nitro 1800tf (17ftbass boat). 18-19 water pressure at WOT. May 14, 2010 · I have a 150 Johnon Fasstrike with the following challenge: At WOT & 5400 - 5500 RPM it runs ok for 15 seconds then surges to 3500 - 4000 RPM - I reduce the gas lever and it runs ok at 4500 RPM. As I understand it as a 2 stroke motor goes beyond the designed rpm max; hp production degrades. Cost: Evinrude/Johnson: 1969 to 1970: 414. I've been told that running those smaller motors slightly over max isn't as hard on them as it would be running a big motor over max but that was just bar chat. I have tried 2 props. Feb 4, 2014 · Re: Need Help on Prop Selection 1990 150 GT Johnson Hard to make any recommendations without knowing the current pitch of that 4 blade prop, and the max rpms that your engine will achieve at WOT when running it. Jul 18, 2003 · Re: 1987 Johnson GT 150 difficult warm starts Well guys, I checked compression, 95 pounds on all cyls. MERCRUISER® RPM® CHART HP/Model WOT RPM Gear Ratio 3. Jun 5, 2015 · I have a 1990 Johnson gt150 on the back of my 1990 stratos 275dc bass boat. 6L: 150/175: 4500-5500: 1. 6 ft boat it has johnson gt 150 my boat tops out at 40 mph I feel like it should be going faster or am I wrong. It's turning 5000rpm and 51mph at wot. 62 A1 4. The max speed for the engine is 56 MPH. ) The compression is lower on the normal 150. Reeves) A quick check is to simply plug in a another new tachometer as a piece of test equipment. I removed the coil pack and ohmed it and it seemed fine. Am I there or do I need to keep going? Overall I am very happy with the new arrangement. The final engine idle will be set by changing the idle timing. 5"X24 before, now 14" by 21). Motor would not start, but replaced the power pack (tested & failed) and the timer( tested and failed). Jul 4, 2011 · Then I do not see a max timing performed after rebuild? Set that to 28 degrees. The motor will safely turn higher than that but the steel (stock) reeds start to flutter at somewhere around 6300. 51 dollars: Evinrude/Johnson: 1973 to 1977: 142. I have torn apart outboards and put them back together I just want to Jul 31, 2014 · Johnson 1989 GT 150 V6 - RPM Issue. The oil (VRO system) is not connected and I premix the fuel. Dave Rhames, on our lake had an Evinrude 150 (not a GT) on a V-King and he was into the 70's. Reason being that I just bought a new prop for it, but it's a little smaller than what was on there before (14. Maybe the hot foot needs adjusting. I have a 19' flats boat with a 150 and turn a 14 3/4 x 23 4 blade Turbo. Engine starts idles and runs well but seems to be lacking top end power. Tht helped a lot but when I get to the lake all I can get out of the motor is 3800 rpm while motor is in gear. rd1 "The cooling system and tem regulaton operates both by thermostat at low rpm May 6, 2013 · Re: Johnson 150 overheat I have already installed new tstats hoping that would fix the overheat issue. id look for a 19. Hi guys I've got a 94 Ranger 354V with a 93 Johnson 150 outboard on the back, and I'm trying to figure out what the max RPM should be? This is a carb motor, not FI. Jul 10, 2017 · 1990 Johnson GT 150. I did not water test the engine but rather run it on the ear muffs prior to purchase and all seemed well then. The full throttle RPM chart shows WOT RPM for: Evinrude / Johnson, OMC, Honda, Nissan / Tohatsu, Volvo, Yamaha, Suzuki, Mercury / Mariner, & Mercruiser. Put the boat in the water, start it and shift into forward. The straight 150 and the high perf 150S-(the GT/XP version-about 165 actual crank hp. May 3, 2017 #1 Jul 7, 2014 · And it's always been pretty reliable but never a performer. ran the boat a while, added decarb to the carbs let her sit for about an hour and a half and ran again, changed plugs after this and WOW!! i gained between 10-15 mph. Those are the high perf engines which put out up to 10% more than the labeled 150 hp. May 3, 2017 · 1988 johnson gt 150 not running wot above 4400 rpm. 25x19 SS 4-blade for skiing and tubing. That makes it an XP/GT engine. As for the prop it's kinda hard to make a blanket statement without knowing more. 3 L MPI 220 HP 4400-4800 1. The way u tell which cylinder/carb is the culprit is to to remove the air box cover, and run the engine in the water or a deep enough tank (to duplicate back-pressure) and use a tooth pick (not the flat kind, btw) and stick it in the idle jet for each carb, one at a time. 03-16-2008 #3. vmwkep crhux tiklr mnlm dkwdh oflisq ihg ovxw sxzznmx fvylw
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