Triumphrat

keithk

hi all. i have an 08 T100 and am curious as to what the proper adjustment is for the headlight? what i mean, is at what distance should the headlight be shining at? if there is no specific distance, what do you all have your lights set at? thanks, keith

Baltobonneville

Take it out in the alley or the (low-traffic) street at night, sit on it, and adjust until you're satisfied with it. You might not get low and high beams both adjusted the way you want them, so decide which is more important to you.

You can do all sorts of measured adjustments to it, but common sense and good judgement are better.

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Marty
2005 Bonneville Blue 790cc, AI removed, Staintunes RC, Uni filter, no snorkel, 118/40/NBZT "Thruxton" needles/1 shim/3 turns, tachometer, Ikon 7610s, Ricor Intiminators, Dunlop GT501s, D9 gauge panel.

innominate

this should be a good starting point.

Pick a flat wall where you can locate the bike so the headlight is 17 feet from the wall. Place a horizontal mark on the wall 2 inches lower than the height of the center of the headlight.

The headlight beam (on low beam) should be relatively flat on the top. Adjust the headlight vertically so that the flat top of the beam is just up to that line (marked two inches down at 17 feet).

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you can't drink all day if you don't start in the morning.

Kirkus51

Ride it at night and you'll figure it out real quick what is best for you. Stick the appropiate wrench in your pocket and you can do it in one evening. All you need is a nice dark road.

I obsessed over how the ****ed headlight is a bit askew and the Dealer said it was a OK and I checked all the Bonnies on the showroom floor and they were all askew too. Not totally convinced I went to the other Dealer today and the headlights on their Bonnies are also askew. So askew is actually correct. Go figure!!

Baltobonneville

I just went out to the garage and had a look. Mine is not askew. But what counts is how it's aimed. I can well imagine that it might not sit exactly the way one would like in that trim ring even if it's aimed correctly, it's a rather loose collection of parts, not a precise fit.

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Marty
2005 Bonneville Blue 790cc, AI removed, Staintunes RC, Uni filter, no snorkel, 118/40/NBZT "Thruxton" needles/1 shim/3 turns, tachometer, Ikon 7610s, Ricor Intiminators, Dunlop GT501s, D9 gauge panel.

oldroadie

And, you should sit on the bike when you measure the center of the headlight height. It helps to have an assistant.

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2004 Bonneville America
2005 Ducati ST3

TheBigMaroon

Hi all...I'm a new 09 T100 owner and have a quick question that I hope you can help answer.

Is there a separate adjustment for the high and low beam?

The low beam on my new 09 T100 is right on mark, but the high beam is calling for ET!

Thanks for your help.

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Mike

Baltobonneville

No.

Many install different bulbs or even different headlight assemblies in an attempt to improve the light. That might coincidentally improve the aim of the low and high beams relative to each other. Other than that, you have to adjust it the best you can and live with it.

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Marty
2005 Bonneville Blue 790cc, AI removed, Staintunes RC, Uni filter, no snorkel, 118/40/NBZT "Thruxton" needles/1 shim/3 turns, tachometer, Ikon 7610s, Ricor Intiminators, Dunlop GT501s, D9 gauge panel.

Aussiematt

Adjust away but note that the OEM bulb and, more importantly, the reflector and lenses are not the highest quality. If you want better light for night riding then a better bulb, lense and reflector set costs around $70-$80 which seems a small price for improved night vision

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2004 Thrux, FCR39's, Uni, 813 cams, Works shocks, drilled Ricor valves, Pieman ignitor, green springs, Beringer caliper, preds, damper, brace, Corbin Gunfighter, custom tinware, JMC swingarm, Brembo radial M/C, oil cooler, rearsets, dropped forks

Nelsen

and none of this matters if you've fitted a flyscreen that mounts to the headlamp bracket.