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K3 Super Sport 1969
Regulator Rectifiers
Rectifier Honda 31700-358 31700-292 31700-046 31700-351

Rectifier Honda 31700-358 31700-292 31700-046 31700-351

£20.55

Includes 20% VAT

Out of Stock

We cannot say when this item will be back in stock due to global events beyond our control.

This product fits the Honda CB175 K3 Super Sport 1969 model.

Pack size: Each

SKU: 005867

Rectifier Honda 31700-358 31700-292 31700-046 31700-351

Please Note: Wire connection block may need modifying by unclipping wires with a small flathead screwdriver and swapping or use your old block connector where necessary. Make sure that the pink wire goes to the generator.

For 6v or 12v systems
4 wires - red, pink, green and yellow
Single bolt mounting

This 4-wire rectifier is compatible with many 6v Honda models. Below is a general wiring guide to assist with installation:

Wire Colour	Connects To	Function
Yellow	Alternator (AC output)	AC input from stator
Pink	Alternator (AC output)	AC input from stator
Red	Battery positive terminal (+)	DC output to charge battery
Green	Frame or battery negative terminal (–)	Ground / Earth

Note: Some models may use only one AC wire (usually yellow) instead of yellow and pink. Always refer to your bike’s wiring diagram for verification.

Replacement aftermarket part for Honda OEM:

31700-046-751, 31700-046-791, 31700-292-008, 31700-455-671, 31700-358-305, 31700-358-003, 31700-358-013, 31700-303-033, 31700-307-013, 31700-351-003, 31700-351-008
and many more TBA

This will suit the following models as well as those listed in fitments:

Honda CA175 K3 1969
Honda CJ360 T 1976-77
Honda CL175 Scrambler 1969-73
Honda CL200 Scrambler 1974
Honda MT250 Elsinore 1974-76

Regulator/Rectifier Fitting Instructions

When on test, 12 Volt batteries should show an output of 13.2 Volts. When the engine is running this would increase to between 14 and 15 Volts.
Yamaha and certain Honda motorcycle's use a three-phase type system, with a permanent magnet instead of an electromagnet, to regulate the current from the alternator.
Rather than controlling the output from the alternator, the excess voltage would be dumped by means of heat transfer.
To improve the transfer of heat from the regulator/rectifier you can use a silicone heat sink compound which is placed on the back of the regulator/rectifier and on the mounting point. Both surfaces must be clean for better contact and heat transference.
Also, to improve the earth of the regulator/rectifier, a cable can be introduced on one of the mounting bolts and connected directly to the negative terminal of the battery (earth side). This would eliminate the unreliable arrangement of earth fittings that are connected to various parts of the frame or motorcycle that does not always work. This type of earth is used as standard on some Yamaha and Honda motorcycles.

Before You Place Your Order...

Note the image may not be exactly as item received and any slight difference will not be inferior or effect performance
Check the fitment list to ensure this item will fit your vehicle
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All parts and accessories are brand new and include VAT where applicable.
Most parts are pattern or aftermarket although some will be genuine but are not always stated as being so.
The use of motorcycle manufacturers' names is for reference purposes only. We do not imply that the products we sell are made by or with the permission of the names listed.