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View Full Version : how much oil does a 400ex need



sam the brave
06-19-2004, 07:59 AM
ok some idiot told me it takes 2 quarts but it started to over flow when i was almost done with the 2nd quart next time i would like to know what it realy takes

kamikazee400ex
06-19-2004, 08:24 AM
i put two quarts in my 400 and i never have to worry about overflow. drain the oil pan then drain the bolt on the bottom of the bike. then put one quart in start the bike for two minutes then put the second quart in and you should have no problems.

2001400ex
06-19-2004, 09:36 AM
2.1 quarts most.

EDIT: 1000th post, jeez:eek2:

Tommy 17
06-19-2004, 09:51 AM
if i changed filter and oil i put in 1 qt then turn the key on and the engine switch off and hit the starter for about a second to pump some of the oil from the tank to the motor... then i add another qt so in the end i have 2qt...


if i don't hit the starter for a second it'll overflow the tank... but when i start it to check oil its dead center in the middle where it should be...

TGW_400ex
06-19-2004, 09:58 AM
Originally posted by sam the brave
ok some idiot told me it takes 2 quarts but it started to over flow when i was almost done with the 2nd quart next time i would like to know what it realy takes

dude you probably did drain its from both places

2001400ex
06-19-2004, 10:00 AM
Start the quad after 1 quart so it gets sucked down into the engine, shut it off and put the other 1 quart in.

Tommy 17
06-19-2004, 10:12 AM
Originally posted by 2001400ex
Start the quad after 1 quart so it gets sucked down into the engine, shut it off and put the other 1 quart in.


DO NOT START IT!!!!!!! just leave the handy bar switch off and hit the starter for a second... it'll still pump the oil down...

Ralph
06-19-2004, 10:15 AM
Originally posted by Tommy 17
DO NOT START IT!!!!!!! just leave the handy bar switch off and hit the starter for a second... it'll still pump the oil down...
its fine if u start it for a sec, there is still plenty of oil on all of the moving parts and its not gonna overheat in a few seconds.

2001400ex
06-19-2004, 10:41 AM
Yeah, I'm not talking about leaving it on for hours...it's not going to seize if it's on for literally ten seconds max. I suppose you can do it either way.

chucked
06-19-2004, 12:15 PM
actually, im willing to bet that if you drained all the oil out from the engine, it would idle for a few good minutes before it started seizing

2001400ex
06-19-2004, 12:29 PM
It takes a preety long time for an engine to seize with no oil. It won't seize in in 10 seconds. It's fine to start it for 10 seconds...

motoman00440es
06-19-2004, 12:34 PM
it takes 1.8 quarts...also make sure you drain the oil from both places(bottom of oil tank and under the shifter):D

hondarider2006
06-19-2004, 06:05 PM
Originally posted by motoman00440es
it takes 1.8 quarts...also make sure you drain the oil from both places(bottom of oil tank and under the shifter):D

and on top of that make sure to change your oil filter. I change that every time, and drail the oil cooler and the bolt next to the filter and put 2 quarts in and mine doesn't over flow anymore. It used to when I was getting close to the end of the 2nd quart, but it doesn't anymore....Also, after a few ride there is barley any oil on the dip stick, its not burning THAT much, maybe just a little, and there arn't any leaks. What could be my problem?

chucked
06-19-2004, 06:13 PM
Originally posted by hondarider2006
and on top of that make sure to change your oil filter. I change that every time, and drail the oil cooler and the bolt next to the filter and put 2 quarts in and mine doesn't over flow anymore. It used to when I was getting close to the end of the 2nd quart, but it doesn't anymore....Also, after a few ride there is barley any oil on the dip stick, its not burning THAT much, maybe just a little, and there arn't any leaks. What could be my problem?

when u check it make sure u let it idle few a minute without touching the throttle before checking,

nky400
06-19-2004, 06:58 PM
With a filter change the capacity of the 400EX motor is 1.95 quarts.

^^from our very own exriders tech articles - DIY oil change^^

most people put 2 quarts in anyway, so it should not overflow.

TGW_400ex
06-19-2004, 08:50 PM
Originally posted by 2001400ex
It takes a preety long time for an engine to seize with no oil. It won't seize in in 10 seconds. It's fine to start it for 10 seconds...

Ya it wont seize but it will scrape everything up in there

chucked
06-19-2004, 09:22 PM
Originally posted by TGW_400ex
Ya it wont seize but it will scrape everything up in there

no

Ralph
06-19-2004, 10:57 PM
Originally posted by TGW_400ex
Ya it wont seize but it will scrape everything up in there

deff no, u realize that when running, atleast 1/2 of all the oil is in the tank so if u are running with 1 quart it will overheat because there isnt as much oil to divert the heat. but u will get enough lubrication for a few seconds of running.

You do relize if u do turn over the engine with the killswitch on all of the gears still turn meaning they would scrape up as you would say.

and for third. after draining all the oil and after you have the 2 quarts it will still take a few seconds for the oil to make it up to the rockers.

fyffe23
07-09-2004, 02:05 AM
hondarider2006,
fill up on oil before you go to sleep. in the morninh check it it its lower you have a prob. i ran mine too low on oil. and my dad yelled at me to fill it up so i did.. the next day.. he went and checked it and it was empty and of course i was in trouble. from were i ran it low on oil piece of the piston had melted vonto my cylinder sleeve and dried. so when the piston came down it would be cocked sideways.. letting all the oil through. so if thats whats happening i say tear her down and check out your piston and sleeve. my 2cents

Acidburn
07-10-2004, 11:44 PM
read the manual they dont give it to you just to look at there is a reason for it

cals400ex
07-11-2004, 01:37 AM
Originally posted by Acidburn
read the manual they dont give it to you just to look at there is a reason for it

i thought it was given to us for a paper weight?? :D