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Delco-qemv number £83 Harley-Davidson part number 31700-47 Voltage regulator only - used with all model 125; 1949 - 3-brush fan-cooled radio generator; and 1950 2-bruah fan-cooled radio generator. Regulator No. 283 no longer available on parta order. Superseded by regulator No. 307

Voltage regulator air gap. .070 in.

Cutout relay air gap ,020 in.

Cutout relay point opening >020 in.

Cutout relay Voltage regulator closing voltage setting (Volts)

When used on model 125 set for 7.0 volts. When used vith fan-cooled generator set for 7.7 volts.

Delco-Remy number 307 Harley-Davidson part number 74510-47 - voltage regulator only -this regulator supersedes, and is interchangeable with Delco-Jtemy regulator No. 203.

Voltage regulator air gap .075 in.

Cutout relay air gap .020 in.

Cutout relay point opening .020 in.

Cutout relay Voltage regulator closing voltage setting (Volts) 6.5 7.0 - 7,7

When ueed on model 125 set regulator for 7.0 volts. When used with fan-cooled radio generator set for 7.7 volts.

Applying to 2-brush fan-cooled radio generator on 1S50 model motorcycles; also applying to 1949 model motorcycles where original 3-brush fan-cooled radio generator has been converted to 2-brush generator, it is recommended that when replacement of original equipment voltage regulator Delco-Remy IIo. 283 or Ho. 307 may be required, current and voltage regulator Delco-Remy lio. 1118388, Harley-Davidson part number 74511-51 be installed.

Delco-Remy makes many different regulators, each carrying a different number stamped on regulator base or regulator mounting bracket. Many of these regulators look identical in size3 shape, etc., but each different model number means there is some difference in construction or a difference in setting specifications,

It is not unusual to find that someone has replaced an original equipment regulator with one that looks like the original, but has a different number end entirely different setting that are not at all suited to a Horley-Davidson generator.

This usually results in one of two things go low th.-it battery doesn't not enough control, sndj

Current and voltage rej part number 7^5H-5i Delco-Remy number 111 regulator number 11187,' tions remain the same

The "K" model motorcycle number 307-Barley-David8on part number 7^510-V for 7.^ v-Qlts - all other spedificfttiopa;; ' v number 307 regulator

Bitter the.generator output is controlled

Bitter the.generator output is controlled

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