Welcome, Guest
Username: Password: Remember me
  • Page:
  • 1

TOPIC:

New rectifier for 77 Kz650 19 Apr 2021 10:16 #847034

  • 504Ghost
  • 504Ghost's Avatar Topic Author
  • Offline
  • User
  • Posts: 17
  • Thank you received: 0
I have an early 77 kz650 and I’m looking for a replacement rectifier. All are incredibly expensive that I’ve found$150-$250usd.  But I did find an aftermarket manufactured part from a UK shop. Was wondering if anyone had used it before??

www.rexs-speedshop.com/product/rectifier...saki-z650-21061-031/

thanks for the space
AndrewR

Please Log in or Create an account to join the conversation.

New rectifier for 77 Kz650 21 Apr 2021 14:16 #847173

  • JB911
  • JB911's Avatar
  • Offline
  • User
  • Posts: 47
  • Thank you received: 0
I used a combination rectifier/regulator from an EX500, peanuts on eBay 
I made a post on it with details if you search

Best,

JB

Please Log in or Create an account to join the conversation.

New rectifier for 77 Kz650 21 Apr 2021 14:58 #847176

  • JB911
  • JB911's Avatar
  • Offline
  • User
  • Posts: 47
  • Thank you received: 0
Here's the thread-it may also work on your KZ
www.kzrider.com/forum/4-electrical/61018...namo-stator?start=24

Best,
JB

Please Log in or Create an account to join the conversation.

New rectifier for 77 Kz650 21 Apr 2021 15:03 #847177

  • 650ed
  • 650ed's Avatar
  • Offline
  • User
  • Posts: 15344
  • Thank you received: 2828
I own a 1977 KZ650-C1 that I bought new back in 1977.  The rectifier died in 2012 and I replaced it with one from Oregon Motorcycle Parts.  Their rectifier number is Model R255aSee 5 & 6 wire rectifiers at www.oregonmotorcycleparts.com/rectifiers3p.html .  It still works like new; I believe it is made better than the original Kawasaki part. I suggest you contact them to ensure that the part number is correct for your bike.  Ed

www.oregonmotorcycleparts.com
 
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
The following user(s) said Thank You: DOHC

Please Log in or Create an account to join the conversation.

Last edit: by 650ed.

New rectifier for 77 Kz650 21 Apr 2021 15:44 #847180

  • Nessism
  • Nessism's Avatar
  • Offline
  • Sustaining Member
  • Posts: 7257
  • Thank you received: 2659
That bike uses an unusual field coil generator.  Does it use a conventional rectifier, or something special to go with the field coil system?

One option is to convert over to a common three phase system.  Parts could be purchased on ebay for pretty cheap.  I suspect this may be the cheaper way to go but more involved compared to buying a new part to fix your bike.

Please Log in or Create an account to join the conversation.

Last edit: by Nessism.

New rectifier for 77 Kz650 21 Apr 2021 16:16 #847184

  • 650ed
  • 650ed's Avatar
  • Offline
  • User
  • Posts: 15344
  • Thank you received: 2828
The new rectifier I bought from Oregon Motorcycle Parts was only $50.  Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

Please Log in or Create an account to join the conversation.

New rectifier for 77 Kz650 21 Apr 2021 18:16 #847198

  • 504Ghost
  • 504Ghost's Avatar Topic Author
  • Offline
  • User
  • Posts: 17
  • Thank you received: 0
it is an early 77 kz650b1 with the three bolt cover. Excited coil system

I went with the Oregon motorcycle parts rectifier and regulator. After speaking wi tony over there, he explained how his reg unit will charge better under 4K rpm. Where the stock OEM unit barely charges the battery..

thanks for all the input guys.

a couple follow up questions,  anyone can shoot me a link for a downloadable factory Kawi service manual in pdf form? I found a couple sites, but none with my specific year and model 

also looking to upgrade the headlight in the stock OEM. Bucket/gauges/ and plug, any recommendations?

thanks for the space guys
AndrewR 

Please Log in or Create an account to join the conversation.

New rectifier for 77 Kz650 21 Apr 2021 18:37 #847201

  • Nessism
  • Nessism's Avatar
  • Offline
  • Sustaining Member
  • Posts: 7257
  • Thank you received: 2659

a couple follow up questions,  anyone can shoot me a link for a downloadable factory Kawi service manual in pdf form? I found a couple sites, but none with my specific year and model 

also looking to upgrade the headlight in the stock OEM. Bucket/gauges/ and plug, any recommendations?

thanks for the space guys
AndrewR 
Manual on this site in the Service Manuals section of the Articles tab.

From what I've read the Truck-lite lamps are amazing.  You can also get a shell that uses a halogen bulb.  Lots of sources.  Add a nice high power bulb for even nicer results.

Please Log in or Create an account to join the conversation.

New rectifier for 77 Kz650 21 Apr 2021 19:05 #847203

  • 504Ghost
  • 504Ghost's Avatar Topic Author
  • Offline
  • User
  • Posts: 17
  • Thank you received: 0
Thanks @nessism.  I actually just found the service manual a couple minutes after posting that reply.......dummy. Ha

as for the headlight, I have a buddy with a 27270c trucklite He bought for his Gs750 wasn’t  installed, because the bike was sold ..Will this work for my KZ650??

Please Log in or Create an account to join the conversation.

Last edit: by 504Ghost. Reason: Misspelling

New rectifier for 77 Kz650 21 Apr 2021 20:06 #847205

  • 650ed
  • 650ed's Avatar
  • Offline
  • User
  • Posts: 15344
  • Thank you received: 2828
I use a Wagner H6024 halogen headlight in my KZ650.  It works great and is considerably brighter than stock without stressing the wiring.  Below is one place to buy them, but there may be cheaper places.    Ed

www.summitracing.com/parts/WAG-H6024

 
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)

Please Log in or Create an account to join the conversation.

New rectifier for 77 Kz650 21 Apr 2021 20:09 #847207

  • Nessism
  • Nessism's Avatar
  • Offline
  • Sustaining Member
  • Posts: 7257
  • Thank you received: 2659

Thanks @nessism.  I actually just found the service manual a couple minutes after posting that reply.......dummy. Ha

as for the headlight, I have a buddy with a 27270c trucklite He bought for his Gs750 wasn’t  installed, because the bike was sold ..Will this work for my KZ650??
Truck-lite's are LED so they are low wattage.  I don't know what size the original bulb it so measuring it would be the first step toward finding a replacement.  7" is common.  Anyway, Amazon has Truck-Lite bulbs so you might want to search around.

Please Log in or Create an account to join the conversation.

New rectifier for 77 Kz650 22 Apr 2021 06:14 #847222

  • martin_csr
  • martin_csr's Avatar
  • Offline
  • User
  • Posts: 7976
  • Thank you received: 1620
My 81 KZ650-CSR had a sealed beam unit. very dim.  So I installed a lens unit & halogen lamp/bulb from a 1982 KZ750 Ltd.  It was a direct swap >> just needed the lens unit, dust cover & bulb.  pretty easy.  and now I can easily carry a spare H4 bulb in my tail-bag.  The lens unit was cloudy, but cleaned up w denatured alcohol.  I'm sure there are brighter options, but the H4 is certainly brighter than the stock unit.

Please Log in or Create an account to join the conversation.

Last edit: by martin_csr.
  • Page:
  • 1
Powered by Kunena Forum