CB 750 Startup after over 20 years of being stored and never started

  Рет қаралды 43,129

Frank Macflier

Frank Macflier

10 жыл бұрын

1993 Honda CB750f2n started up after I acquired it after being put in a barn and left for over 20 years. I changed the oil and filter..put some oil down the plug holes and left to soak then put new spark plugs in..changed the air filter ..put a new battery in and turned it over for 5 mins without trying to start it.. cleaned the tank out..As you can see when I tried the starter the rest is testament to Honda engineering!

Пікірлер: 32
@2lbsTrigrPull
@2lbsTrigrPull 5 жыл бұрын
Very nice bike. Got one myself a few weeks ago, also from 93 but in blue. Had to replace all the o-rings and gaskets in my carburetors. I still have to install the carburetors but I hope it will run just as fine as yours afterwards.
@mrstupid
@mrstupid 10 жыл бұрын
I used to leave mine long periods but not that long.It is 33 years old now with over 45,000 miles and not needed any engine work.They are good motors with a good motorway speed and will go on all day.Off you go for the weekend now
@Pat14922
@Pat14922 2 жыл бұрын
Nice bike ,. had one for a couple of years. The CB1300 from teh same era is very nice too
@M1GWEL
@M1GWEL 7 жыл бұрын
I have the exact same bike. Owned it for 24 years. It's done 9'000 miles. It's in workshop having carbs cleaned out. Service and mot now. Will be great to have it useable again
@philcarmichael6090
@philcarmichael6090 8 жыл бұрын
Certainly there is a HUGE difference between a bike with old fuel in its carbs and one that has had the carbs drained. While watching this I didnt hear you mention that the fuel had been drained so I assumed it was still in there. A testament to well made Honda carb parts as well in that the manifolds didn't leak air through the cracks that form in most. Sounds like you now have a very nice bike underneath you.Yes, these are very, very smooth engines Im impressed every time I take mine out. Prepping a long dormant engine for start up is very important. Using the rear wheel to turn the engine over is the method Ive always heard to use from the successful old timers. A few drops of oil in the cylinders and time to soak in is also key.Sounds like you went about it in the proper way. There are plenty of folks that could benefit from your wisdom and excellent camera work. Maybe you could make a vid detailing the procedure involved. Not to burden you with that task..:), just a thought simply because there is so much misinformation out there let alone the horrid camera/vocal work displayed by many.Hah! maybe I will create a mock vid complete with swirling, unstable camera and 3 unintelligible audio tracks running simultaneously...just for fun of course.Thanks again for posting this. Happy and safe riding to you sir.Not raining at the moment (only 207 more rain days left 'til riding season!) maybe its time to take the bike out for a spin!
@driver2210
@driver2210 5 жыл бұрын
Cooles Bike 😎 greetings from Germany 😎👍
@MrLeadbelly1966
@MrLeadbelly1966 3 жыл бұрын
Sweet!!!
@robcraft1373
@robcraft1373 5 жыл бұрын
Looks like it sit in someone’s living all those years as well
@factcheck1776
@factcheck1776 7 жыл бұрын
I was nowhere near as smart as you. My '93 Nighthawk 750 has been sitting for 2 years and I did not drain the tank or carbs or anything. Today I started it without doing anything at all and let it run for maybe a minute. It seemed to run okay. Hope I didn't hurt anything!
@hakoHiyo271
@hakoHiyo271 3 жыл бұрын
You didn't drain the old gas from the carb? It is hard to believe the bike starts like that without taking care of the old fuel...Or was the carb drained 20 some years ago by previous owner?
@frankmacflier3808
@frankmacflier3808 3 жыл бұрын
I was very lucky the guy I bought it off had drained the Carbs before putting it away... Very easy to do on this bike.. 4 drain screws on the bottom of the float bowls easily accessible... I did it before I put the bike away myself for a year after I made this video
@hakoHiyo271
@hakoHiyo271 3 жыл бұрын
@@frankmacflier3808 That explains it perfectly!
@frankmacflier3808
@frankmacflier3808 3 жыл бұрын
@@hakoHiyo271 By the way two years ago I went touring on this bike through France, Belgium and Holland and then back to the UK and the bike performed faultlessly... Its nearly 30 years old!
@philcarmichael6090
@philcarmichael6090 9 жыл бұрын
This is very impressive indeed, no hestation from carbs that have deades old gas/petrol in them? I recently purchased a 97 Nighthawk and was impressed that the engine turned over and idled smoothly without choke after being stored/ignored for a year or so. All my experience, 37 yrs and dozens of bikes tells me that old fuel, even 4-6 months "young" will start to varnish or solidify and clog the carb jets making the engine run very poorly and not idle well or at all in some cases. A very common ailment among stored bikes. Draining the carbs dry before storage is recomended by many in the know. But 20 year old fuel?..did you perhaps ad some restorative chemical to the fuel before starting? If not then this engine employs sorcery from the future and Im glad, very glad to own one. The still (24k on the clock) smooth engine, standard-classic UJM ergos and mid wieght size of this splendid machine sold me straight off. Thank you for posting this and Cheers.
@frankmacflier3808
@frankmacflier3808 9 жыл бұрын
+skid lee Hi I did find out from the chap I bought it off who had mothballed it all those years ago that he had drained the carbs & tank before putting it away...Clearly this played a large part in why the bike started so easily..I have ridden it over 4000 trouble free miles since the update after refurbishing the brakes and fitting new tyres..Really nice retro bike and so smooth!
@frankmacflier3808
@frankmacflier3808 8 жыл бұрын
+skid lee Hi.. When I sent this video to the original owner he told me I had a lot to thank him for because he drained the carbs before putting it into 22 year hibernation hence the carbs were not gummed up!
@ShedDwellerMakerandRepairer
@ShedDwellerMakerandRepairer 4 жыл бұрын
Petrol from 20 years ago would be less likely to jellify than the petrols of today. There are far more additives such as detergents in modern petrols that just weren't in petrol of yore. It took a couple of years to 'go off'. Now it takes all of about 2 months.
@pateris
@pateris 3 жыл бұрын
The CB is an old warhorse. It does not break, you have to put it our of its misery with a chainsaw !
@bryanceir6484
@bryanceir6484 10 жыл бұрын
What do you mean "turned it over for 5 mins without starting". I have CB750 that's been sitting for 10 years without starting. Can you help further clarify. Like putting oil into the spark plug holes - what's the purpose of that. Thanks in advance.
@frankmacflier3808
@frankmacflier3808 10 жыл бұрын
Ok Ryan..The bike has sat for over 20 years without even being turned over..I actually turned it over firstly by sticking it in gear and turning the rear wheel by hand..The purpose was to allow the bearing surfaces to have oil circulated to them as they may have been dry..Similarly I turned it over in short bursts using the electric start for five minutes to let the oil circulate without starting it..The purpose of putting oil down the plug holes was to provide lubrication to the cylinder bores and piston rings which again may have been dry from lubrication from sitting there for 20 years not moving.. I think you will agree that the bike starting after twenty years of inactivity on the second push of the button is pretty impressive!
@bryanceir6484
@bryanceir6484 10 жыл бұрын
Frank Macflier Thanks very much Frank... It's very helpful.
@shazzadauncon3682
@shazzadauncon3682 6 жыл бұрын
how much you paid for this bike ?
@aguiristante
@aguiristante 6 жыл бұрын
oil in the cylinders and no blue smoke?
@ggme4682
@ggme4682 5 жыл бұрын
Andre Guiristante Very first thing I noticed. And, no choke...
@terryjohn
@terryjohn 6 жыл бұрын
u cheated it was already warm.choke forgot.lol
@jurajkovacik
@jurajkovacik 5 жыл бұрын
I think its fake. I own one and after winter doesn´t engine start like this. After winter, when I start my bike, I will make a video for you
@youridv
@youridv 4 жыл бұрын
I know it's almost been a year but, my dad owns one too, in red. It starts like this every time. Only thing is there's something funny going on with the safety that prevents you from starting it with the kickstand out.
@brain5t0rm
@brain5t0rm 4 жыл бұрын
@@youridv only with center stand. side stand won't start.
@youridv
@youridv 4 жыл бұрын
@@brain5t0rm thats because the centerstand isn't electronically connected to anything
@brain5t0rm
@brain5t0rm 4 жыл бұрын
@@youridv exactly. the side stand has a switch and warning lamp on dashboard. ;)
@youridv
@youridv 4 жыл бұрын
@@brain5t0rm I know. Problem is that the circuit should check whether you're in neutral or not or have the clutch in. It should still start if you have either the clutch in, sidestand in or are in neutral. Sometimes it just doesnt start until you move the sidestand around for a bit
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