September 19th, 2017, 09:50 PM | #1 |
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Name: Teri
Location: 39°52'40.7"N 118°23'53.8"W (Northern NV)
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Replacing the stator
Hey y’all, long time no see!
I find myself having to replace the stator after having a sudden charging issue. The shop diagnostic told me the stator was bad so that’s where I am starting. I followed the manual exactly which leaves off before saying how to get the plug out from inside the bike. No worries, follow the cord up, freeing the clamps, and now I’ve encountered an issue. The plug on the 2012 is too big to fit between the plastic box above and the frame below. Help! How do I get this out? (Will be posting up a DIY once I solve this problem, hence the somewhat generic title.)
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September 19th, 2017, 11:39 PM | #3 |
Certified looney toon
Name: Teri
Location: 39°52'40.7"N 118°23'53.8"W (Northern NV)
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250, 102k+ miles -- 2014 CB500X, 42k+ miles Posts: A lot.
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MOTM Jul '13, Jul '14
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Tried a similar approach with a big screwdriver. But got to thinking about feeding the new one back up along the same path and wasn't sure if that would work in reverse. Might try again tomorrow.
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September 20th, 2017, 12:01 AM | #4 |
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You can try de-pinning the connector if you have a needle/jeweler's screwdriver/bobby pin. If you go with this approach, pull gently on the wire while pushing down on its respective terminal.
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September 20th, 2017, 07:12 AM | #5 |
Certified looney toon
Name: Teri
Location: 39°52'40.7"N 118°23'53.8"W (Northern NV)
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MOTM Jul '13, Jul '14
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Cool. I'll give that a shot. Thanks!
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October 8th, 2017, 07:39 PM | #6 |
Certified looney toon
Name: Teri
Location: 39°52'40.7"N 118°23'53.8"W (Northern NV)
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250, 102k+ miles -- 2014 CB500X, 42k+ miles Posts: A lot.
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MOTM Jul '13, Jul '14
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Alright, now that I am mostly confident I did this right, here is what I did. Please, if you see anything that requires a comment or can be done a different way, share.
I prefer pictures when reading a shop manual as I am not always familiar with the names of parts. This is meant as a supplement to the actual manual. My Ninja is a 2012, yours may not be as pictured. Please forgive the overall condition of my bike - she’s had a tough life. First steps are to remove the alternator cover. Note: the shop had already unplugged the stator up near the air box so unfortunately can’t advise on that. Remove the lower fairing: Drain the oil: Drain the coolant: Remove the shift lever from the shift shaft Remove the engine sprocket cover Remove the two water pipes - this took me a second to figure out. The clamps on the top are easy enough, the lower part of the pipe slides into the water pump. Firm twisting while pulling got the pipe out as the o-ring inside sealed it really well. Remove the alternator cover. I removed the bolts in sequence and kept them in order as they are different lengths. Removing it involved being firm as it is magnetized and seemingly stuck on there. When it eventually popped loose, my hand bumped the starter idle gear inside and knocked it off onto my table. Talk about a panic moment! You will need something to rest the cover on as the cord going up to the plug will prevent it from resting on the ground. And now you can see why I was removing my stator. Kinda crispy! The gasket around the cover may be stuck on the cover or to the engine. Either way, this will need to be replaced. Now the delicate work! Remove the screws and clamp over the crankshaft sensor Remove the lead grommets - these are rather stuck in the cutout of the cover. The original sealant is a sticky black goo that holds them in well. As noted above, the plug on the 2011(?)/2012 is really large and I had trouble removing it. In the end, I followed the de pinning suggestion and that worked wonderfully. I tied a string to the end and let the wire pull the string down as I pulled it out from the bottom. This allowed me to tie the new one on the end of the string and feed it back up the original path. Depin the new stator - here is some clear pictures of the process. Feed the new cord up and replace the plug. Now just reverse the process, starting with putting the lead grommets, crankshaft sensor, clamp, and screws back in place. There is a rubber bumper type thing that goes between the stator cord and the sensor. The Electrosport stator I bought had a really stiff cord, so this part was a challenge. Replace the stator bolts - use the manual to learn what torque. Then you replace the gasket. Unfortunately I didn’t get in progress pictures of this. What I did was cleaned the cover and front of the engine as much as I could to get the old sealant off. Then I used a very thin coating on the rim of the cover and gasket, then placed those two together. I then put another thin layer of sealant on the outside of the gasket and the rim of the engine and slid the cover in place, holding it there for awhile to ensure a good bond. Replace the water pipes Replace the engine sprocket cover Replace the shift lever - unless you remember exactly how you had this, may want to keep the screw loose so it can be adjusted. Plug the stator back in. Bad picture, I took it before I plugged it back in as I was happy I had the bike back together! Replace the oil and coolant. At this point I started the engine up to make sure I hadn’t broken anything. FOR ME my battery was unfortunately dead, which led to problems that were thankfully resolved by spending a night on the tender. When I first started the engine. I noticed I was leaking coolant from the upper of the two pipes. Turned out I had overtorqued the bolt. When I loosened it just a bit the leak stopped and it hasn’t leaked since. I ran the bike a few times in the garage to make sure it started and that the battery remained charged. Then this weekend I took the bike it for a short 15 ride, then 30 minute ride, then 2 hour ride. No issues cropped up so I’m hopeful that everything now works as it is supposed to.
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October 9th, 2017, 03:25 PM | #7 |
ninjette.org certified postwhore
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Welcome back! Glad you got it sorted out. Great post with pics!
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October 9th, 2017, 08:00 PM | #8 |
ninjette.org member
Name: Joe
Location: Lancaster CA
Join Date: Dec 2013 Motorcycle(s): 2007 Ninja 250 "sold" 2014 ninja 300 "Gold" 2000 DRZ400S (Sold the POS) K7 GSXR600 (Also POS...see a pattern? Posts: 207
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Looks Good! It also looks almost exactly like a stator swap on the 300. How many miles did you have on before it fried? The 300's seem to consistently die at 20k miles for me
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October 9th, 2017, 08:10 PM | #9 |
Certified looney toon
Name: Teri
Location: 39°52'40.7"N 118°23'53.8"W (Northern NV)
Join Date: Jun 2012 Motorcycle(s): 2012 Ninja 250, 102k+ miles -- 2014 CB500X, 42k+ miles Posts: A lot.
Blog Entries: 16
MOTM Jul '13, Jul '14
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102,500 miles.
I assume the original owner didn't replace the stator within the first 1800 miles he had it for. All in all, not complaining. It's only my second big repair.
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October 9th, 2017, 08:28 PM | #10 |
ninjette.org member
Name: Joe
Location: Lancaster CA
Join Date: Dec 2013 Motorcycle(s): 2007 Ninja 250 "sold" 2014 ninja 300 "Gold" 2000 DRZ400S (Sold the POS) K7 GSXR600 (Also POS...see a pattern? Posts: 207
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Nice! thats not bad at all! I wish mine lasted that long lol
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