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Discussion Starter · #1 ·
Ybr 125 variant G comes with a round 7" headlight with Plastic Reflector and Plastic front cover. By default it has 35/35 watts 12v Philips halogen bulb h4 socket.



I wanted to upgrade the headlight for better visibility on highways, so i swapped a C6 Led 35w. It was longer from the back side because of heat sink and fan so i had to make a hole in headlight back cowl to make it fit.



The led didn't have much focus or long through on the road because of the spreading waste of light. After somehow coping with it for a year now, i think its brightness has reduced.



Now i have swapped it with a 55/60 watts halogen bulb same H4. So the load is now 20 to 25 watts more than the stock and i can feel that it is producing more heat which might cause the reflector to melt/ wires and sockets to melt/ buttons melt/ or blow up the fuse.



By stock the bike came with a liquid acid battery that i replaced after 2 years with a sealed lead acid battery, i think its 4 amps.



I will post the results with this bulb. Attaching some pics of stock and upgraded bulb.
 

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If the turns are not LEDs then you can get back some power expended on the headlight doing LED on turns. I say that because commonly small engines like that don't have a lot of electrical overhead to spare.

If you take the bulb and set it in some acetone for a couple days the black tip of bulb where coated will get soft enough to chisel it off carefully with a knife and then you get a hardpoint of light in the center you didn't have before. Technically illegal but I doubt anybody is going to harass you about bright lights in the face on that.
 

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Discussion Starter · #4 ·
I change the oil in by byke a bit longer this time at 4500 Km. I use YAMALUBE PLUS 10W-40 it is semisynthetic.
The recommended drain interval is 3000 Km.
 
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