I purchased a used 1992 M90A motor and have done a fair amount of work to make sure it's in top shape, but I haven't gotten comportable with the oil...
Well, I finally found out why the 40 on my 8'-6" Adventurer SE wasn't making any HP/RPM. No timing! Apparently, I fixed the carb and didn't know that...
I picked up a Tohatsu 9.8HP 4-Stroke this week and started break-in yesterday. I am getting a whine/whistle (sound like air movement) at low RPM...
I have a 2010 Tohatsu 9.8 that I use on a 10 ft inflatable. During the breakin period, a type of foam would build up in the water around the engine (...
Hey all- I've got an '02 70hp two-stroke Tohatsu. It's in great shape all around other than the fact that last summer, after running more or less...
Do I need to worry? Yesterday at idle speed the motor was run aground. Not even a scratch on the skeg but the prop was shined up pretty good, not...
I have a nissan 9.8hp 2006 that I transported on it wrong side, leaking oil all over the place. I tried to start it with no luck. I took plugs out...
Help, suddenly just refused to start or even come close to firing, after a day of sailing. Spark plug wet with gas. Tried several new plugs, same...
MFS9.8A3S serial#025673XH.Having a problem when going from WOT to idle. When I come down from WOT to idle the rpm's stay at 1200 to 1500 rpm's for...
I am having exhaust smoke coming out from under the powerhead.Also the motor is running rough.So im guessing its time to remove the powerhead and...
10 year old motor. ran well for years but started poor idle last year about half way thru the season. Had it serviced by a 'licensed' Nissan Dealer...
Can you give step by step instructions on removing the carburetor and cleaning? The motor starts, revs, and then stalls. I am pretty sure the...
I have a 2008 8hp 4 stroke tohatsu that is used for pushing my sailboat. The engine runs for maybe 30 minutes when we are motoring out and 30 minutes...
A strange one for you guru's. Have a 1999 90hp Nissan outboard. The original problem was that it would only rev to about 4000 RPM's under load. ...
I just bought a 8 hp Nissan long shaft--The previous owner wasnt sure what year he bought it other than to say around 1995. Anyone out there who can...
Nissan (2006) 9.8 4 Stroke Model#: NSF9.8A3 I've been prepping my (new to me) used engine. Today was the day to pull the rope. The engine...
"I have recently aquired a Tohatsu B40A 25hp, 2 cylinder, 2 stroke in good condition but I have to change the gearbox bearing and seals as this...
hi, im having the same problem again, after replacing throotle cable and box i was able to get boat on plane like it did before but it took a little...
I am having a TERRIBLE time trying to find the gaskets/fiber washers for my lower unit drain fill screws. Nissan 9.8 4 Stroke ...
Hi folks, I have an unmarked motor, identified through its serial number as a Mercury Mariner 4/5 sn #09852794 mod #1004211rb year 1995. I'm...
Motor runs but needs some starting media.... P.O. had broke the recoil starter rope and took the assembly off the motor, procrastinated, then lost...
I have a 2002 4hp Nissan, model # NSF4A2d. I replaced the stock carb with a 6hp carb, seems to have upped the output a little. Is that all I need to...
I have a 5HP Tohatsu and recently, it has not been running well. It starts right up, but once you push the choke in, it dies. While in gear, if I...
I hate to even ask how to do this as ordinarily I would just take the boat to the mechanic but times are kinda tough around my place right now. I...
Hi Folks, I posted this on the Mercury/Mariner area, and the suggestion was this might actually be a Tohatsu make. So with apologies, I'm...
My 70hp has been running rough at full throttle. Sounds like maybe fuel related. I had the carbs cleaned but problem continued. Checked compression...
I have a Tohatsu 9.8 2 stroke 2001 Model M9.8B 3K9 Serial NO. 20986 Is this a short or Long shaft? I can't figure this out, really at a loss...
I am a little more intimate with my "new" motor. I am starting to check the motor over from bottom to top & visa versa. It's a 2006 9.8 4...
Hoping someone can help me since my local service techs have a 2 week turn around time. I am still under warranty I know. Went to start my outboard...
Another question concenring the Nissan NS90A Motor. The shift box has a buzzer that constantly buzzes when going across the water. Is there a way...
I have a 1990 Nissan NS90A that was hard to start untl now. Now it won't start at all. It is not firing at all. We think it is the CD unit. Does...
First timer. I've been out of the "boating business", so to speak for SEVERAL years. I retired am READY to F-I-S-H..( Is this four letter word...
How difficult is it to replace a water pump? I would like to try this myself and do not want to get in over my head. Working on outboards is new to...
2006 25hp 4stroke fuel injected Tohatsu. Motor has only @8 hrs. I last cranked it @ 9 months ago with no problems. I cannot crank now. Have cleaned...
I've had trouble with the floats sticking after running the carbs dry at the end of the day. Based on what I've seen here on site, I'll add stabil...
Hi got a problem and need some advice. It a 1999 40 D electronic start with trim/tilt I've owned since new. For history I blew the head gasket...
I have been trying to get my friends 9.8 Nissan outboard motor to start (NS9.8B). It has been setting for about 8 months, I put in a new carb kit,...
Motoring back to the marina, my Tohatsu 9.8 electric start red oil warning light came on. I reduced speed and made it back to the slip. I shut down...
Where would be a good place to get a FWD gear and pinion gear. Dealers say their NLA???????????
After reading many of the e-mails and learning a lot I have a question. Several members advocate using a "dip" carb cleaner, like Berryman's,...
hi, my boat was taken out of water to repair throatle linkage, when it was put back all my gauges where dead, mechanic checked and said there was...
Dear all I just replaced our 1990 Nissan 70 hp engine with a 50 hp Evinrude E-TEC. The new owner of the Nissan needs to change the impeller, and...
i bought a 1997 17 ft sundance w/ 90 hp tahutsu motor tank was at 3/4 and ran boat and it was great, than i added gas and motor wouldnt rev past 2900...
How do you install the Pistons on a Nissan 90A? The manual kinda hints that you just guide the piston into the correct hole and lower the crankshaft...
Hello everyone, Just purchased last night a 2007 9.8hp 4 stroke Tohatsu. Apparently 5 hrs on it, hasn't been used in 1 1/2 yrs, spent the 1st 1...
I have a Nissan 2002 9.9 motor, Starts up on the 2/3 pull, in neutral the engine runs strong with no backfiring. Have check and or replaced with new...
Hi Everyone, I'm learning about boating, engines, and all. My 9.8 runs great, but I am getting an arc of spray at the back of the boat, looks like...
I have 08 5hp Tohatsue 4 Stroke, with very little use. I have developed a issue where the engine will stall after about 10 seconds on idle. I'm...
Do you know of any carb cleaner that I can use to soak my 3.5 carb in that is safe to leave the plastic parts in the throttle body My engine is...
i need alittle help with my 40 she has been very realiable for me but lately when at wot the motor just dies,, i pump the bulb and she starts right...
115tldi tohatsu
01-21-2009 10:39 AM
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