Yamaha Xmax Top End Rebuild YP125R
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- čas přidán 6. 08. 2024
- Sorry for the low quality footage, need better lighting inside.
In this video I will be doing a top-end rebuild as the head gasket failed and oil got mixed with coolant make the engine become full of sludge. It's a very simple engine to work on being 1 single cylinder and 125cc.
Buy the Gasket Kit here: ebay.us/204ZEY
00:00 Intro
00:56 Exhaust Removal
01:47 Variator Cover Removal
02:35 Water Pump Removal
03:02 SLUDGEEE
3:25 Clean water pump housing
04:04 Variator Housing Removal
04:29 Air Filter Removal
04:39 Camshaft Sprocket Removal
05:17 Tensioner Removal
05:50 Camshaft Sprocket Removal Pt 2
06:37 Cylinder Head Removal
07:08 Cylinder Bore Removal
07:20 Engine Inspection
08:53 Reassemble Top-End
12:19 Water Pump Assembly
13:11 Valve Adjustment
14:25 Engine Fully Assembled
14:31 Finishing off the build
15:24 Outro
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Hello! Thank you for your video. Very clear presentation. I just bought a neglegted 2006 X-max 125 I intend to repair.
Good luck with your build!
because of you i just check my scooter cos i got the temp very high i hope is solve now stay safe
The first thing to check is the oil and check if its milky, meaning that coolant is mixing with oil. If it is I would do a compression test to check for head gasket failure. it compression is good it's most probably a water pump failure, there is an oil seal inside and when it fails the same thing happens
@@pullumoto hi there thank you i really glad you answer cos is my second time whit this problem Yes the oil is milky i put a nieuw pump in 2019 and also a thermostaat I wil check Tomorrow stay safe and keep it up the good work
HI! but have you cleaned the internal chamber of the engine block, where the engine oil is located?
I used cheap oil to run the engine for a while and then flush that oil ,it will eventually clean itself like that
I just finished rebuilding but its knocking rough and not staying on if i dont give it gas any recommendations? 🙋🏼♂️
double check your valve clearances and your timing chain again as you may have skipped it by 1 tooth
@@pullumoto thank you bro
Bro I need to rear brake pads available because my country not available please help me
Where do you live? I can send some from germany maybe?
Bro how do I change this without taking the engine out I'm a noobie to all this
You don't really need to remove the engine to do this just, it just makes it easier and everything is more accessible. The engine is totally accessible while inside the scooter and a rebuild can be done on the spot, I suggest downloading the scooter workshop manual also as it will be of great help when doing this.
I now see how different the 125cc is from 250cc engine. The 250 cc does not have a proper oil filter
I always thought the 250cc is a copy of the 125 with a larger bore but looks like there are some differences, I couldn't find the oil filter in the workshop manual for the 250cc either
Do you happend to have a video pulling the motor out of this scooter?
no sorry 😔
@@pullumotoits cool but what you did in the 4:43 the yp250r is different how can i adjust the chain
the 250 should still have the same marks to align it
@@pullumoto nah it’s different
How many km do you have so that you have to chnage the head gasket? Or is this a issue of this scooter? It shouldt cause its a japan scooter. When its a normal issue i'm disapointed with the japanese 😂
the head gasket was actually still good at 35000km, It didn't have to be replaced, my actual problem was the water pump seal that's why it was mixing oil with coolant
@@pullumoto ouuuh, well in my oppinion a dumb idea from the ingeniers to put the water direct with the camshaft drive. Its hot there and the seals of the water pump can't hold much long
I agree it's such a bad design which kinda sucks for a jap scooter. At least it is very easy to replace and the new kit should last a very long time
@@pullumoto hope so keep it up man💪🏼