Make Your Scooter/ Motorcycle Headlight Brighter by 80%

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About: Necessity is the Mother of Inventions they say, I live in challenging land called INDIA. where the Sub par conditions like power issues, heat, Dust and environmental factors are just tough! and They have for...

I have this Lil' Scooter named Honda Activa.

And like most other 2 wheelers, It has so called "Headlights" that are dim as candles.

Stay with me and you'll learn how its easy to make them very bright and for not much.

Step 1: The Culprit

Most of the people might be thinking that the weak link for poor illumination is the weak electric system, however that being true, the worst thing is bulb itself.

The standard 2 wheeler bulb spec is dual filament 35/35 tungsten Globe. That generates a dismal 600 lumens, dimmer than most modern flashlights.

Step 2: What to Do and How to Do It...

I just casually opened the headlight and found that the poor 35W bulb looked more like car H4 55w lamps. And i thought "Why not!" If i can retrofit a proper Halogen 55W car headlight bulb, I can have a good 1100 Lumen output, about 80% increase!

However the Bulb was not a straight fit but Fret not! Use a plier to slightly bend the lower tabs as shown in the Pics, and it fits perfectly! Proper alignment too.

Step 3: Fire It Up!

As the H4 and Scooter bulb bases are little different, Simply buy a H4 holder and wire it into the factory power supply. Both Bulbs are 3 wire configuration so you should'nt have any problem here. Do check for proper High-Low Beam operation before finalizing anything.

Use a multimeter to help out with wirings.

Step 4: Enjoy.

I've been using the activa for 2 months now with the mods and zero problems yet.


1>.the beam pattern with 55w upgrade is same which means less glare compared to other mods.
2>.If you are worried about electrical load-
activa alternator is designed for maximum load of 35w headlight
21w turn signal
21w brake /rear light,
5w number plate light /meter light
10w horn.

hence it's capacity is easily sufficient unless you're trying to use everything at once.

2 People Made This Project!

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88 Discussions

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wsidani

4 years ago

this type of light would consume a huge amount of electric power so instead of using this use an LED lamp that is much more effective and doesn't affects the power in the scooter

2 replies
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bhvmwsidani

Reply 4 years ago on Introduction

Dear sir,

The Intent of this 'able is to increase illumination while keeping the Scooter stock and legal as much as possible. LED lamps are not approved by Transport Office. Also, the LED beam pattern is not optimized for road use and would generate huge glare to oncomers.

Meanwhile, do take a look at full LED OFF ROAD lights 'able which i've made for SUVs and like.

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MohammadU13bhvm

Reply 3 years ago

sir I have Suzuki sprinter SD 110 in Pakistan ..& i want to Brighter my head light ...can you help me???

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GaneshkumarJ

6 months ago

Sir I have Honda activa 2012 model - 110cc scooter. Can i fit bright white led light. Please suggest whether I can go for night eye brand or any alternatives. Please let me know.

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Sakthit2

Question 7 months ago

Im Havining Yamaha Ray ZR and i buyed a LED bulb from Aliexpress i cheaked with my bike its not working but i cheaked with bettery its working please help me to solve this problam ?
(P43t HS1 LED Motorcycle Headlight Bulb Hi/Lo 1400Lm Bi-Beam Lamp Scooter Headlamp Moto Lights Plug & Play 9-85V)

HTB1w9D_qgMPMeJjy1Xbq6AwxVXai.jpg
2 answers
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bhvmSakthit2

Reply 7 months ago

Your Bike is having AC output. You need AC to DC full wave bridge rectifier for it to work.

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Sakthit2bhvm

Reply 7 months ago

How to do it. Please help me by giving full details sir.

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Raybey88

Question 1 year ago

Answer
Hi I have a 2013 activa. What I did was I changed theactiva stock bulb to a maruti ritz stock bulb. It's a stock scooter through and through. After few months my mileage ended up getting only 15kmpl. Is it cos of the bulb ? I haven't made any changes to the scooter apart from this. Looking for ward to the reply

1 answer
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bhvmRaybey88

Answer 1 year ago

This should not happen. Please get the scoot checked by decent mechanic to see if there is some short in the wiring or other issue.

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Raybey88

Question 1 year ago on Introduction

Hi I have a 2013 activa. What I did was I changed theactiva stock bulb to a maruti ritz stock bulb. It's a stock scooter through and through. After few months my mileage ended up getting only 15kmpl. Is it cos of the bulb ? I haven't made any changes to the scooter apart from this. Looking for ward to the reply

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kgm96

1 year ago

Sir...i have kinetic honda zx 96 model...light issue is horrible...cant ride at night even with halogen...will this can be done in my vehicle

2 replies
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bhvmkgm96

Reply 1 year ago

yes, you may.

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AmitG102

2 years ago

Sir.i have bajaj platina 100cc 2005 model... how can i correct the fluctuation of headlight? Light intensity increases with accelerator & deceases with accelerator.. is there any solution?plz guide me

3 replies
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bhvmAmitG102

Reply 2 years ago

This is natural to happen. As the dynamo is tied to RPM.

Only option is to convert Scooter electricals to DC and hence power the headlight by Battery.

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Sumitk134bhvm

Reply 1 year ago

I connected my headlight to battery in my Bajaj CT 100. Will it have any adverse effect?

Also, can I upgrade my stock headlight( Halonix 35/35W) with any LED or HID, without violating the traffic rules?

Thanks in advance!

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bhvmSumitk134

Reply 1 year ago

It appears you have converted to DC by connecting to battery. There should be no adverse effect. Battery may run down if you use a lot though. With DC convert you can go for LED bulb. HID not recommended for any 2 wheelers. try going for a warm white LED bulb. Traffic rules are a grey area in this regard.

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bhvm

1 year ago

yes. these should be good.

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mithunjj

1 year ago

I'm having a 2017 Yamaha Ray Z BS4 with auto headlamp on and I feel the headlights are very poor. The bulb is HS1 35W Halogen and battery is 5 A.

What's the best stock headlamp upgrade ?

Thanks in advance.

1 reply
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bhvmmithunjj

Reply 1 year ago

These days the best option would be to go with good quality LED bulb with Glare shields. However this will only work if Voltage to the bulb is DC. Does the brightness go up and down with throttle? Then its not DC. In that case go with the guide mentioned above here.