March 13th, 2018, 11:03 AM | #41 | |
-
Name: -
Location: -
Join Date: May 2009 Motorcycle(s): - Posts: A lot.
|
Quote:
If you go out to the garage and stand the EX250 up on its wheels (as level as you can), then crouch down and eyeball the location of the oil sight-glass and the (obvious beneath the right-hand engine side cover) location of the engine's crankshaft you'll realize that the resting (engine not running) level of the sump oil is below the crankshaft's primary gear. When the engine is running the sump oil level is much lower (than this engine-off oil level sight-glass) due to the large percentage of the engine oil volume that is currently being pumped throughout the system. The EX250 Service Manual Engine Lubrication System diagram shows pressurized oil delivered to each of the engine's three main bearings with outputs from the crankshaft into each of the piston big ends and at both ends of the crankshaft (with the right-hand end being the area of the cam chain and the primary gear). |
|
|
March 13th, 2018, 11:10 AM | #42 | |
ninjette.org member
Name: B
Location: somewhere
Join Date: Jan 2018 Motorcycle(s): 2009 Ninja 250r SE Posts: 35
|
Quote:
__________________________________________________
Semper Fidelis. Semper Porro. |
|
|
March 13th, 2018, 11:15 AM | #43 | |
-
Name: -
Location: -
Join Date: May 2009 Motorcycle(s): - Posts: A lot.
|
Quote:
You sound like a very conscientious owner, I'm sure you're doing a fine job with things like engine oil. |
|
|
March 13th, 2018, 11:20 AM | #44 |
Guy Who Enjoys Riding
Name: Jim
Location: North Carolina
Join Date: Jul 2016 Motorcycle(s): Ninja 250 Posts: A lot.
MOTM - Oct '18, Aug '17, Aug '16
|
Greg, you're saying that oil pumped to the right main bearing gets out into the primary gear area and onto the gears? OK, I'll buy that. I think I was probably biased from my 2-stroke experience... those engines have sealed bearings, of course, so no oil gets to the primary gears by that route.
|
|
March 13th, 2018, 11:30 AM | #45 | |
-
Name: -
Location: -
Join Date: May 2009 Motorcycle(s): - Posts: A lot.
|
Quote:
(I'm looking at my Pre-Gen Service Manual but I'm pretty sure the crankshaft oil flow didn't change with the Next-Gen) |
|
|
March 13th, 2018, 12:00 PM | #46 | |
Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot.
MOTM - Jun '18, Oct '16
|
Quote:
My son has a '98 VFR, and he loves the gear sound. It's pretty loud (in a good way). |
|
|
March 13th, 2018, 12:07 PM | #47 | |
Rev Limiter
Name: Jay
Location: WI
Join Date: Jul 2013 Motorcycle(s): '06 SV650n, '00 Derbi GPR, '64 CA77 Dream 305, '70 CL450 Scrambler, numerous dirt bikes Posts: A lot.
MOTM - Jun '18, Oct '16
|
Quote:
https://faq.ninja250.org/wiki/How_do_I_check_my_oil%3F One common mistake people make is to change the oil and filter, then fill the engine until the sightglass is at the proper level. Once the engine starts and oil is pumped into the filter the level drops - and it's too low. That's why you need to run it briefly (there's plenty of oil to be safe temporarily), then shut it off and check it again after waiting the proper amount of time. The time delay gives the oil time to run back down to the sump - which is all factored-in to the correct level reading. The bike also needs to be help perfectly level to get an accurate reading. |
|
|
March 13th, 2018, 12:41 PM | #48 | |
ninjette.org member
Name: B
Location: somewhere
Join Date: Jan 2018 Motorcycle(s): 2009 Ninja 250r SE Posts: 35
|
Quote:
About the whining, I guess I'll have to learn to live with it if I don't find what's causing it for sure and get it fixed. I wouldn't mind it if it's a little, but it does silence the actual bike noise, which I'd much rather be hearing lol.
__________________________________________________
Semper Fidelis. Semper Porro. |
|
|
March 13th, 2018, 05:32 PM | #49 |
ninjette.org certified postwhore
Name: Roger
Location: Mitchell, South Dakota
Join Date: Apr 2014 Motorcycle(s): 1978 Z1R, 1999 EX250 Posts: A lot.
MOTY - 2018, MOTM - Oct '16
|
Get a header, that'll drown out the whining.
__________________________________________________
|
|
March 14th, 2018, 04:20 AM | #50 | |
ninjette.org certified postwhore
Name: Whodat
Location: Ware Is.,MA
Join Date: Jan 2009 Motorcycle(s): I pass the wind! Posts: A lot.
MOTM - Mar '13, Jun '14
|
Quote:
__________________________________________________
If everything seems under control; you're just not going fast enough! |
|
|
March 14th, 2018, 04:45 AM | #51 |
ninjette.org member
Name: B
Location: somewhere
Join Date: Jan 2018 Motorcycle(s): 2009 Ninja 250r SE Posts: 35
|
__________________________________________________
Semper Fidelis. Semper Porro. |
|
March 14th, 2018, 07:22 AM | #52 |
ninjette.org certified postwhore
Name: Whodat
Location: Ware Is.,MA
Join Date: Jan 2009 Motorcycle(s): I pass the wind! Posts: A lot.
MOTM - Mar '13, Jun '14
|
No seriously, I always wear earplugs and you can hear your engine much better.
__________________________________________________
If everything seems under control; you're just not going fast enough! |
1 out of 1 members found this post helpful. |
March 14th, 2018, 07:46 AM | #53 |
ninjette.org member
Name: B
Location: somewhere
Join Date: Jan 2018 Motorcycle(s): 2009 Ninja 250r SE Posts: 35
|
Pretending the noise isn't there isn't the solution for me lol. Gotta fix that mf.
__________________________________________________
Semper Fidelis. Semper Porro. |
|
March 14th, 2018, 08:11 AM | #54 |
ninjette.org certified postwhore
Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot.
MOTY - 2018, MOTM - Nov '17
|
|
|
March 19th, 2018, 09:10 AM | #55 |
The Corner Whisperer
Name: Chris (aka Reactor)
Location: Northern KY
Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much.
MOTY 2015, MOTM - Nov '12, Nov '13
|
I bought my 250 new gen brand spanking new and put the very first mile on the bike. It has made that whine since mile 1, and with 5k+ street/track/race miles on it, it makes the very same whine to this very day. No harm in ensuring proper operation though. Stopped worrying about it long ago...
Earplug tip is valid: they dull the less important stuff so you can hear vital things. EDIT: Now that I think about it more, seems the whine is less pronounced on higher mileage bikes.
__________________________________________________
Goal: Shake A Million Hands | Look through the corners | Track Day Prep | Closest track? | The Mid-Ohio School |
1 out of 1 members found this post helpful. |
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
whining sound | mikedabike64 | 2008 - 2012 Ninja 250R Tech Talk | 8 | November 3rd, 2013 08:58 PM |
Quiet whining sound with bike off | Tim250 | 2008 - 2012 Ninja 250R Tech Talk | 15 | May 20th, 2012 06:19 AM |
Whining under power only | headshrink | 2008 - 2012 Ninja 250R Tech Talk | 36 | August 23rd, 2011 05:48 PM |
Ninja whining???? | Ninja250under | 2008 - 2012 Ninja 250R Tech Talk | 10 | November 10th, 2010 11:39 AM |
whining sound | bigrodge8 | 2008 - 2012 Ninja 250R Tech Talk | 31 | June 5th, 2010 06:18 AM |
|
|