How-To: Change Final Drive Oil

Maintenance, guides, and walkthroughs for your PCX. Please do not post questions about repairing or fixing your bike here.

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jhongskiecruz
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Re: How-To: Change Final Drive Oil

Post by jhongskiecruz »

Guys, My PCX had 3,250km now since i bought it,do i need to change the final drive oil?
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Re: How-To: Change Final Drive Oil

Post by jhongskiecruz »

maddiedog wrote:Per the maintenance schedule (http://hondapcx.org/viewtopic.php?f=15&t=323), the final drive oil should be replaced every 2 years. I recommend you change it more often if you ride a lot -- around 10k miles, my oil still looked good, but had some glitter in it. I would say 10k miles or every 2 years at minimum. You could do it every oil change if you want -- it's a 5 minute job once you've done it once.

Here's Honda's word on the maintenance:
IMG_8423.JPG

If you're concerned your levels are low, put the bike on the centerstand and take off the top bolt. Add oil using a syringe until it comes out of the hole. Simple!

I use 10w30, as recommended. ANY (n) w30 oil will work, but you can find 10w30 the easiest. I recommend you use synthetic oil.

Here's the tools we'll use -- a syringe, a container for the oil, and 12mm ratchet with extension. The syringe is necessary -- due to the angle and size of the hole, a funnel will not work. The syringe I'm using is a standard medical syringe. Even a turkey baster will work.
IMG_8426.JPG

Here's where the 3 bolts are on the PCX. Wipe this area clean before proceeding with maintenance. It gets REALLY dirty because the vent for the variator and clutch is just in front of the bolts.
IMG_8427.JPG

The top left bolt is the fill port. The top right bolt you won't touch, it's one of the 7 bolts that holds the other side of the drive casing in place. The bottom bolt is the drain bolt.

Put your PCX on the sidestand. Place the cup under the drain bolt. Remove the drain bolt.
IMG_8428.JPG
IMG_8429.JPG

About 7oz of oil will come out. The stock oil will smell funny, gear oil has a particular smell to it.
IMG_8439.JPG

Put the drain bolt back in, and remove the fill bolt.
IMG_8430.JPG

Dispose of the oil responsibly. Clean your cup out. Open your new oil and pour about 8 ounces into the cup.

Put your bike on the centerstand. Get out your syringe, and start syringing oil into the bike. Your oil should be amber in color. I did this how-to by request, so the oil in my bike is new enough that I just put it back in (that's why the oil you see is darker).
IMG_8440.JPG
IMG_8442.JPG

Keep pumping oil into the fill port until oil flows out when you put it in. At that point, just put the fill bolt back in, and you're done!
IMG_8446.JPG

If you have any issues / questions / etc, feel free to reply or PM me.

If this how-to saved you a few bucks or made your life easier, you can buy me a beer using the yellow "Donate" button all the way at the bottom of the page. I host the site out of my own pocket, and provide it all ad-free for the public. I even make all these awesome how-tos for free, so even a tiny donation means a lot to me personally. ;)
Why are you putting back the old oil?
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Re: How-To: Change Final Drive Oil

Post by alx123 »

Image

I found this at Honda Thailand for $1.50..

I'm still thinking this or just use the Honda 10w30

Why do we alwaya have to overthink things? LOL
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Re: How-To: Change Final Drive Oil

Post by homie »

You people are missing something, wondering off the reservation in these oil threads again. Honda places value on the additive (Moly) for the little bikes oils. It's recommended in the service manual for both engine and final reduction gear box. It maintains the aluminum reservoirs as well as having proper lubrication properties concerning friction. We can do pictures if you like.

https://www.amazon.com/gp/product/B0039 ... UTF8&psc=1

Now stand by for a wide variety of opinion why this should be ignored :lol:
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Re: How-To: Change Final Drive Oil

Post by alx123 »

It's normal for Honda to want us to consume their own products..

Now stand by for a wide variety of opinion why we should just stick to what the manual says :lol:

Offtopic: Went to Honda today to buy the gear oil and I'm glad to see that they also have a Fully synthetic 10w 30. probably gonna go with this one next oil change..molly or not

http://www.bigbike-thailand.com/reviews ... thetic_4t/
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Re: How-To: Change Final Drive Oil

Post by easyrider »

I think you are right.. Avoid over thinking this. Any good quality oil , changed regularly, and the bike will out live your strictest expectations. Ride on, and forget about the advertising hyperbole. Honda does not refine oil ..they buy it !
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Re: How-To: Change Final Drive Oil

Post by alx123 »

Update; changed final drive oil yesterday, one year since I bought the PCX. Oil look a little dark but not dirty. No metal particles..
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Re: How-To: Change Final Drive Oil

Post by you you »

alx123 wrote:Update; changed final drive oil yesterday, one year since I bought the PCX. Oil look a little dark but not dirty. No metal particles..

Was that just from looking at the flow of oil or did you let it settle and check what was at the bottom of the container?
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Re: How-To: Change Final Drive Oil

Post by alx123 »

you you wrote:
alx123 wrote:Update; changed final drive oil yesterday, one year since I bought the PCX. Oil look a little dark but not dirty. No metal particles..

Was that just from looking at the flow of oil or did you let it settle and check what was at the bottom of the container?
Drained oil was put inside a transparent plastic bottle. Will see again later if some particles settled down at the bottom overnight..
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Re: How-To: Change Final Drive Oil

Post by jhongskiecruz »

alx123 wrote:Update; changed final drive oil yesterday, one year since I bought the PCX. Oil look a little dark but not dirty. No metal particles..
how many km's done,before you change final drive oil?
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Re: How-To: Change Final Drive Oil

Post by you you »

alx123 wrote:
you you wrote:
alx123 wrote:Update; changed final drive oil yesterday, one year since I bought the PCX. Oil look a little dark but not dirty. No metal particles..

Was that just from looking at the flow of oil or did you let it settle and check what was at the bottom of the container?
Drained oil was put inside a transparent plastic bottle. Will see again later if some particles settled down at the bottom overnight..

That's more or less how in noticed mine. Nothing appeared as it was flowing out but when I decanted the used oil I was surprised at the residue.

Yours hopefully will be different but it's good to check :D
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Re: How-To: Change Final Drive Oil

Post by alx123 »

@youyou
I checked again, no residue
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Re: How-To: Change Final Drive Oil

Post by you you »

alx123 wrote:@youyou
I checked again, no residue

Perfect.
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Re: How-To: Change Final Drive Oil

Post by Jacito »

I've never changed the final gear oil, and I have about 4300 miles on her. I know what I will be doing this weekend.
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Re: How-To: Change Final Drive Oil

Post by homie »

Jacito wrote:I've never changed the final gear oil, and I have about 4300 miles on her. I know what I will be doing this weekend.
Piece of cake, let us know how it goes for you. I hope you will use the SM's recommended product and not dump any gear oil you have laying around in the precious :roll: Good luck!
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Re: How-To: Change Final Drive Oil

Post by Jacito »

homie wrote:Piece of cake, let us know how it goes for you. I hope you will use the SM's recommended product and not dump any gear oil you have laying around in the precious :roll: Good luck!
I always follow what is the recommended. I have to, as I'm not a mechanic by any means.
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Re: How-To: Change Final Drive Oil

Post by homie »

Jacito wrote:
homie wrote:Piece of cake, let us know how it goes for you. I hope you will use the SM's recommended product and not dump any gear oil you have laying around in the precious :roll: Good luck!
I always follow what is the recommended. I have to, as I'm not a mechanic by any means.
yes we love our scooters 8)
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Re: How-To: Change Final Drive Oil

Post by WI_Hedgehog »

homie wrote:You people are missing something, wondering off the reservation in these oil threads again. Honda places value on the additive (Moly) for the little bikes oils. It's recommended in the service manual for both engine and final reduction gear box. It maintains the aluminum reservoirs as well as having proper lubrication properties concerning friction. We can do pictures if you like.

https://www.amazon.com/gp/product/B0039 ... UTF8&psc=1

Now stand by for a wide variety of opinion why this should be ignored :lol:
Honda creates a scooter, that if properly maintained runs over 130,000 miles (from the longevity threads), obviously doing everything in their power to maximize lifespan, and people are questioning Honda's recommendations on how to get the most life out of them??? Seriously?

I'm with @homie, use the right fluid for the job--Honda knows their machines.

Pro Honda Product Brochure (from Honda)
https://powersports.honda.com/documents ... micals.pdf

(Notice HP4S can replace HP4 and GN4, but not HP4M. @homie called it. And thanks @maddiedog for starting this all in the first place!)
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Re: How-To: Change Final Drive Oil

Post by Jge64 »

I don’t doubt that the Moly in the Honda oil is good for the bike. I’m sure it is. However my bike won’t get more than 12 to 15,000 miles before I sell it in 5-7 years. So therefore I’ll use mobil 1 full syn 10w 30 from Walmart. same for the crankcase. It’ll be fine for me.
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Re: How-To: Change Final Drive Oil

Post by Mel46 »

I just changed the oil on both of our bikes. Mobil 1 10w30 full synthetic. No problems so far, but it has only been 5 years on the same manufacturer so far. I'm pretty sure there is enough left for the gear oil change.
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