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Yamaha 1979 XS650SF Where can I find a cheap regulator and or rectifier combo? I would love to go solid state.

Yamaha 1979 XS650SF Where can I find a cheap regulator and or rectifier combo? I would love to go solid state. Topic: Case s model tractor
June 16, 2019 / By Mattithiah
Question: any upgrade will be appreciated..backfires ever so slightly, figuring coils/points/ stable bat voltage....only paid 400 for it but it runs like a beast.
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Best Answers: Yamaha 1979 XS650SF Where can I find a cheap regulator and or rectifier combo? I would love to go solid state.

Job Job | 10 days ago
Bob,,there's several on on Ebay,,,new & used. That regulator also covers several bikes,over several years. The factory part number has been superceded a few times also,,,so there's a variety of Part Numbers which are correct Here's an Aftermarket Regulator,,model VR2-U http://www.oregonmotorcycleparts.com/vregulators.html ......................................... Here's one on Ebay which mentions some of the applications the Original Yamaha Regulator covers. Meaning,,You can find YOUR regulator,,on these Other bikes as well. (or ,,a suitable replacement) http://cgi.ebay.com/ebaymotors/Yamaha-XS1-XS2-TX650-XS650-Voltage-Regulator-NEW-NOS_W0QQitemZ4645463760QQihZ002QQcategoryZ35581QQrdZ1QQssPageNameZWD1VQQcmdZViewItem >>>>>Voltage Regulator Part Number 256-81910-10 Became 447-81910-10 And that became 1L9-81910-50 Indicates use for 70-72 XS1 XS1B XS2 73-74 TX650 TX650A 75-76 XS650 B C 77-79 XS650 D E F 79 XS650 SF 77 XS750D 77 XS400D 76-77 XS360C D Should be NOTED I do not know what the 447 and 1L9 styles look like 256 is mainly a XS1 -XS2 style. Basically saying I am not sure if this bolts up the same as the 447/ 1L9 's THIS is NEW<<<<< ......................................... From '80 forward they switched to Solid Sate. That will work,, but it's NOT a direct fit replacement. A person would have to connect each wire individually. No big deal,,using the later model's wiring diagram. Regulator & Rectifier are unitized in those,,,so they're "7 wire" I think. ......................................... Far as Regulators,,,,and the bikes Age & with parts availability always being hit-or-miss on ANY old bike..... A Couple of Suggestions: # 1) "Accumulate" If you plan on keeping it a while(few years),,,,Things like Regulators may be worth shopping for a "spare" or 2 to keep stored. Check Ebay occasionally,,and You'll happen upon one for "giveaway prices". If it doesnt Work---You were depending on it to get running,,,only for "inventory" Plus,,You wont have to SHOP ,,"At Time of Need". and pay current going price #2)"Worst Case",,,The regulator is just a downsized version of any old 12V 3 wire Bosch,Delco,etc Automotive Regulator. Used on zillions of cars,trucks,tractors etc. The Automotive one is UGLY,BIG,Awkward,,dont direct connect,etc,etc. But they WORK,,,and are "Mega-Duty" on a bike's charging system. NOT suggesting or Recommending to use one. As I said,,in Worst Case ,,,,,,,every auto parts & junkyard in the country has "a regulator" which will Function . ......................................... RECTIFIER Best replacement is a modern SolidState "Bridge Rectifier" Here's a typical one.... 35Amps,200 Volt ,,,$7 Very easy to hook up. They also are commonly found in higher ratings. You can also connect them in Parallel and Double their capacity rating. They are very small,,and typically "bulletproof" http://cgi.ebay.com/35-Amp-200-Volt-PIV-Full-Bridge-Rectifier-Solar-Wind_W0QQitemZ220109671029QQihZ012QQcategoryZ121837QQssPageNameZWDVWQQrdZ1QQcmdZViewItem Hope any of that helps ......................................... Just for example,,,here's a XS360 Reg which will work w/ your 650. Clean looking,from a low mileage bike,,decent price compared to most. NOT saying "BUT IT",,just an example of the options to help you find stuff you need. http://cgi.ebay.com/ebaymotors/1976-Yamaha-XS360-XS-360-Regulator-Relay-76_W0QQcmdZViewItemQQcategoryZ35594QQihZ016QQitemZ260057741567QQrdZ1QQsspagenameZWD1V ....................... Ebay Item number: 230127104199 is open for bidding 3 more days,,,has no bids yet. Worth watching,,,it MIGHT go cheap??? Just a mention.
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Job Originally Answered: Yamaha 1979 XS650SF Where can I find a cheap regulator and or rectifier combo? I would love to go solid state.
Bob,,there's several on on Ebay,,,new & used. That regulator also covers several bikes,over several years. The factory part number has been superceded a few times also,,,so there's a variety of Part Numbers which are correct Here's an Aftermarket Regulator,,model VR2-U http://www.oregonmotorcycleparts.com/vregulators.html ......................................... Here's one on Ebay which mentions some of the applications the Original Yamaha Regulator covers. Meaning,,You can find YOUR regulator,,on these Other bikes as well. (or ,,a suitable replacement) http://cgi.ebay.com/ebaymotors/Yamaha-XS1-XS2-TX650-XS650-Voltage-Regulator-NEW-NOS_W0QQitemZ4645463760QQihZ002QQcategoryZ35581QQrdZ1QQssPageNameZWD1VQQcmdZViewItem >>>>>Voltage Regulator Part Number 256-81910-10 Became 447-81910-10 And that became 1L9-81910-50 Indicates use for 70-72 XS1 XS1B XS2 73-74 TX650 TX650A 75-76 XS650 B C 77-79 XS650 D E F 79 XS650 SF 77 XS750D 77 XS400D 76-77 XS360C D Should be NOTED I do not know what the 447 and 1L9 styles look like 256 is mainly a XS1 -XS2 style. Basically saying I am not sure if this bolts up the same as the 447/ 1L9 's THIS is NEW<<<<< ......................................... From '80 forward they switched to Solid Sate. That will work,, but it's NOT a direct fit replacement. A person would have to connect each wire individually. No big deal,,using the later model's wiring diagram. Regulator & Rectifier are unitized in those,,,so they're "7 wire" I think. ......................................... Far as Regulators,,,,and the bikes Age & with parts availability always being hit-or-miss on ANY old bike..... A Couple of Suggestions: # 1) "Accumulate" If you plan on keeping it a while(few years),,,,Things like Regulators may be worth shopping for a "spare" or 2 to keep stored. Check Ebay occasionally,,and You'll happen upon one for "giveaway prices". If it doesnt Work---You were depending on it to get running,,,only for "inventory" Plus,,You wont have to SHOP ,,"At Time of Need". and pay current going price #2)"Worst Case",,,The regulator is just a downsized version of any old 12V 3 wire Bosch,Delco,etc Automotive Regulator. Used on zillions of cars,trucks,tractors etc. The Automotive one is UGLY,BIG,Awkward,,dont direct connect,etc,etc. But they WORK,,,and are "Mega-Duty" on a bike's charging system. NOT suggesting or Recommending to use one. As I said,,in Worst Case ,,,,,,,every auto parts & junkyard in the country has "a regulator" which will Function . ......................................... RECTIFIER Best replacement is a modern SolidState "Bridge Rectifier" Here's a typical one.... 35Amps,200 Volt ,,,$7 Very easy to hook up. They also are commonly found in higher ratings. You can also connect them in Parallel and Double their capacity rating. They are very small,,and typically "bulletproof" http://cgi.ebay.com/35-Amp-200-Volt-PIV-Full-Bridge-Rectifier-Solar-Wind_W0QQitemZ220109671029QQihZ012QQcategoryZ121837QQssPageNameZWDVWQQrdZ1QQcmdZViewItem Hope any of that helps ......................................... Just for example,,,here's a XS360 Reg which will work w/ your 650. Clean looking,from a low mileage bike,,decent price compared to most. NOT saying "BUT IT",,just an example of the options to help you find stuff you need. http://cgi.ebay.com/ebaymotors/1976-Yamaha-XS360-XS-360-Regulator-Relay-76_W0QQcmdZViewItemQQcategoryZ35594QQihZ016QQitemZ260057741567QQrdZ1QQsspagenameZWD1V ....................... Ebay Item number: 230127104199 is open for bidding 3 more days,,,has no bids yet. Worth watching,,,it MIGHT go cheap??? Just a mention.
Job Originally Answered: Yamaha 1979 XS650SF Where can I find a cheap regulator and or rectifier combo? I would love to go solid state.
The only trouble with what you are trying to do is that that model has an excited field altenator (IE a rotor with brushes). Try www.podtronics.com they may have something you can use.

Greer Greer
The only trouble with what you are trying to do is that that model has an excited field altenator (IE a rotor with brushes). Try www.podtronics.com they may have something you can use.
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