Igniter box power transistor

  • ckahleer
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Igniter box power transistor

23 Jan 2023 18:43
#879212
Can someone identify this transistor and have a source where I could order a couple. I'm going to try to repair an igniter box.
94 KE100
82 KZ305
85 VF1100c

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  • Nessism
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Re: Igniter box power transistor

23 Jan 2023 19:39
#879213
I see them on ebay....shipping from China.  2SD1071 is the number.

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  • martin_csr
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Re: Igniter box power transistor

24 Jan 2023 06:29 - 24 Jan 2023 06:41
#879218
For future reference.  What igniter & motorcycle is it? Thanks. 

In case it's any help.  Here's a link w some info for a Yamaha but he didn't actually do or complete the repair. 
www.jetav8r.com/Vision/TCIRebuild/TCI_Rebuild.pdf
Last edit: 24 Jan 2023 06:41 by martin_csr.

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Re: Igniter box power transistor

24 Jan 2023 06:46
#879219
Its an igniter off an 85 VT500c.
I found 1 US supplier, Newegg. They want $45.99 for 2.
Soon we will need a wheelborrow of money for a loaf of bread.
94 KE100
82 KZ305
85 VF1100c

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  • OKC_Kent
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Re: Igniter box power transistor

24 Jan 2023 10:44
#879225
Check on Amazon. I'm a buyer at my company and just purchased these for a little IT project. 11 bucks for 1,000 various transistors. You should be able to find what you need there, but how good the quality is will not be known. All China stuff these days.

BOJACK 1000 Pcs 25 Values Resistor Kit 1 Ohm-1M Ohm with 5% 1/4W Carbon Film Resistors Assortment: Amazon.com: Industrial & Scientific
Oklahoma City, OK
78 KZ650 B2 82,000+ miles

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Re: Igniter box power transistor

24 Jan 2023 13:15
#879235
Try Mouser or Digi-Key for individual components:

www.mouser.com/

www.digikey.com/

Amazon (or eBay) will almost certainly be the cheapest; the other places can be pricey for small quantities.

Or there is an igniter for an '83 VT500 on eBay for about $48 shipped: https://www.[ebay].com/itm/334290106376
1979 KZ400 Gifted to a couple of nephews
1967 Yamaha YCS1 Bonanza
1980 KZ440B
1981 Yamaha XT250H
1981 KZ440 LTD project bike
1981 GPz550
2013 Yamaha FZ6R

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Re: Igniter box power transistor

24 Jan 2023 13:24
#879237
Try Mouser or Digi-Key for individual components:

www.mouser.com/

www.digikey.com/

Amazon (or eBay) will almost certainly be the cheapest; the other places can be pricey for small quantities.

Or there is an igniter for an '83 VT500 on eBay for about $48 shipped: https://www.[ebay].com/itm/334290106376

I already checked Mouser and Digikey.  They don't have it.

eBay is the only place I could find this particular component.

Searching the web shows that Yamaha Vision also uses this component in it's ignitor box.  It's a small world with usage of these particular parts.  

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  • Scirocco
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Re: Igniter box power transistor

24 Jan 2023 14:23 - 24 Jan 2023 14:27
#879248
https://www.[ebay].de/itm/381661365284 10 transistors 2SD1071 / D1071 FUJI for US $5,09
Last edit: 24 Jan 2023 14:27 by Scirocco.

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Re: Igniter box power transistor

24 Jan 2023 18:41
#879261
Or there is an igniter for an '83 VT500 on eBay for about $48 shipped: https://www.[ebay].com/itm/334290106376
It would have to be an 85 or 86 box. Unfortunatly, they are few and pricey. The pre 85s used a seperate igniter box for each cylinder.
I may just order the transistors from China and hope for the best.
94 KE100
82 KZ305
85 VF1100c

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  • martin_csr
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Re: Igniter box power transistor

25 Jan 2023 07:34 - 25 Jan 2023 07:52
#879274
Here's a topic from the Digi-Key Tech forums. Finding a replacement transistor (2SD1071) for a 90s motorcycle igniter:
forum.digikey.com/t/finding-a-replacement-transistor/26008

Two alternate part numbers mentioned:  MJE5742G or BU941.
MJE5742G doesn't have a zener diode, so you'd need to install that separately.

Also, on a Gixxer forum one guy just replaced the capacitors & cleaned up or resoldered some of the connections and removed some of the melted gunk which can be conductive.  And that guy or another gixxer guy replaced some of the resistors w brass rod.  If interested, I saved the links.

 
Last edit: 25 Jan 2023 07:52 by martin_csr.
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