SOHC.co.uk Forums > CB350/400
CB 400/4 Headlamp
Nurse Julie:
--- Quote from: Johnwebley on November 14, 2016, 07:55:56 PM ---I bought a H4 53/4 inch light unit,
depending on your generator power you can fit a 35w/35w or 55w/60w or I think a 100w H4 bulb,
my light has a pilot bulb as well,
I think about £15 from a local motor factors,bulb about £4
--- End quote ---
That's a good price John. I'm assuming it wasn't for your 500/4 as 5 3/4 would be a bit small :o :o, (I only know this as I have just measured a 500/4 we have here and it's 7"). My headlamp also has the pilot light and I have 35w/35w fitted, which gives less than 1 candle power I reckon, on main beam !!!
Johnwebley:
--- Quote from: Nurse Julie on November 14, 2016, 08:13:31 PM ---
--- Quote from: Johnwebley on November 14, 2016, 07:55:56 PM ---I bought a H4 53/4 inch light unit,
depending on your generator power you can fit a 35w/35w or 55w/60w or I think a 100w H4 bulb,
my light has a pilot bulb as well,
I think about £15 from a local motor factors,bulb about £4
--- End quote ---
That's a good price John. I'm assuming it wasn't for your 500/4 as 5 3/4 would be a bit small :o :o, (I only know this as I have just measured a 500/4 we have here and it's 7"). My headlamp also has the pilot light and I have 35w/35w fitted, which gives less than 1 candle power I reckon, on main beam !!!
--- End quote ---
it is for my RD125 ,always try to buy from a motor factors,should get close to trade price,
this is it with the H4 bulb 35w/35w
BrianC500:
If you're using an H4 bulb. You don't need to go 100watt to get a brighter beam. Both Ring, Lucas, Osram & a few others do 55/60watt H4 that give a much brighter light. from 50% up to 120%. Don't go to Halfords as they are too bloody dear. A local Motor Factor should be able to help.
mike the bike:
I've increased mine to 55/60W. The only downside is, with the headlamp on, braking to turn a corner, indicating for the corner as well, blows the 15A main fuse causing the engine to die. It happened twice. Increased fuse to 20A, now OK.
Chris400F:
I reckon a 5 3/4" light unit would fall through the Honda rim.
The aftermarket Cibie units measure 5 3/4" across the lens and have an adaptor ring that fits inside the standard rim to reduce the hole diameter.
For H4 bulbs you could try these: http://www.ebay.co.uk/itm/351595613785?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
They are supposed to consume 20% less power, which to my mind defies the laws of physics, but seem to be well reviewed.
This link originally came from an earlier thread on here, their price is very good.
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