8/5/2023 0 Comments Cb450 headlight mountyWe recommend changing out the factory voltage regulator & rectifier to our new solid state regulator / rectifier combo unit which resolves the vast majority of charging issues on these bikes.All of these bikes need a top notch healthy battery to run properly, we recommend an AGM style battery and that you keep the battery on a maintainer / charger when storing the bike.Typical charging voltages are about 12.5 to 13.2 VDC from the system, anything over 12VDC is acceptable.This mod does not affect the actual headlight switch controlling the ON / OFF function of the headlight bulb.Īlthough this modification improves the performance of the charging system, the overall low output of the system design does mean a you need to keep a few things to keep in mind: This means the maximum output potential of the stator coil when the engine is running on the bike, which it does need. What the white / yellow wire modification does is bypass the routing of the second half of the stator coil through the head light ON / OFF switch, therefore allowing both halves of the stator coil to always be "ON" regardless if the headlight is on or not. If the headlight is off, then the additional charging current is wasted. This additional charging current is wasted because its routing back to the rectifier is integrated to the headlight on / off switch. Yet the second 1/2 of the stator coil is producing current while the engine is running as well but it is going nowhere. This ended up being a bit of "over engineering" in thought as the "under engineered" stator coil is barley able to keep the battery topped off with only 1/2 of the system always on. This is a logical jump as the headlight draws a good bit of additional power, and therefore switching on the second half of the stator coil to increase charging current makes sense. The other half of the system was switched "ON" when the rider also switched on the headlight (this is the white wire w/ yellow stripe). One half of the system is "ON" all the time, producing charging current when the engine is running (this is the yellow wire). The charging system in all of these bikes is a permanent magnet single phase design, however even in top form the particular design of these systems is on the anemic end of the spectrum thus "under engineered." To complicate matters more Honda took the stator coil assembly and divided it into two sections. The charging system on the Honda CB175 / CB350 (twin) / CB360 & CB450 family of bikes is a victim of both situations at the same time. Sample of Bikes with 35mm fork tubes: (below bike model and year is for reference only,we do not guranttee its accurancy, the best way to make sure what tube size your bike use is to measure your fork tube.With many aspects of vintage Honda motorcycles it is common to find a bit of "over engineering" aka making things more complex than they need to be and sometimes a bit of "under engineering" on specific parts. Some size need other length screws, please purchase. Note:Supplied screws can not be fit all dimensions, Universal type headlight brackets will fit 26mm-45mm fork tube 3 Hole Custom style headlight brackets set
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