OzVMX Forum

Marketplace => Wanted => Topic started by: Purple Dave on February 16, 2013, 07:23:44 am

Title: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Purple Dave on February 16, 2013, 07:23:44 am

If anyone has a failed CDI unit off an SC 500, I have found a company in England that can repair or replace them. Finding a unit going or not going is my QUEST. 8)

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: JAP 454 on February 16, 2013, 08:19:42 am

Alvin, there is a fella in Melbourne, who repaired the CDI from one of my Yammies, and fixed the problem, that causes them to fail and I think he has some older units, I'll look up his details and let you know.
Foss

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: JC on February 16, 2013, 08:54:45 am

Is it Small Coil Rewinds? A mate of mine had his SC ign rewound by them (IIRC) & it completelytransformed it.

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: JAP 454 on February 16, 2013, 09:15:11 am

Yeah, Thanks JC , I sure that's him but I can't find his contact details, Alvin, try googling Small Coil Rewinds.
Foss

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Rossvickicampbell on February 16, 2013, 09:47:28 am

PD - would that be Rex Caunt Racing in the UK?

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: firko on February 16, 2013, 10:24:23 am

PM sent Dave.

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Tossa on February 16, 2013, 11:00:54 am

I'd like to know to Mark, if you could

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: bazza on February 16, 2013, 12:40:15 pm

the 2 models of SC500 had different CDI and the difference was large.Mates swapped theres on there 2 x SC and could not believe power and smoothness.

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: firko on February 16, 2013, 12:48:07 pm

Just fit the entire CDI ignition from a 76-78 DT400 or similar and you'll be thanking me later on Dave :D.

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Tossa on February 16, 2013, 01:00:18 pm

thanks Mark

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Purple Dave on February 16, 2013, 08:34:17 pm

http://www.rexs-speedshop.com/epages/es143131.sf/en_GB/?ObjectPath=/Shops/es143131/Categories/CDI_Units/Yamaha

To Rossvickicampbell.........english connection.

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Purple Dave on February 16, 2013, 08:42:25 pm

Thanks for all your input firko........iainyz also suggested a complete change to DT 400 electrics.........next question from a very confused amateur electrics person..........Where can I get a complete DT 400 system ? ???

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Purple Dave on February 16, 2013, 08:51:42 pm

Thanks Foss and JC..........

http://www.imrie.com.au/

I will contact them next week. 8)

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Rossvickicampbell on February 16, 2013, 08:55:07 pm

nah PD - the one I was thinking of was these guys:

http://www.rexcauntracing.com/pages/pvl_products.html

Only guys I know that sell parts for PVL's rather than making you buy a complete unit - got some bits for my YZB through them.

cheers

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Montynut on February 16, 2013, 11:24:56 pm

I think Les at VMX Unlimited sells parts for PVL. I bought a coil off him.

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: Purple Dave on February 17, 2013, 11:08:44 am

http://www.ebay.com.au/itm/PVL-Powerdynamo-MZB-Ignition-System-Stator-New-Yamaha-DT-RT-250-360-400-500-/251162864824?pt=Motorcycles_Parts_Accessories&hash=item3a7a792cb8&_uhb=1

Would this system work on the SC 500 ? ???

Title: Re: Yamaha SC 500 CDI UNIT..........working or NOT WORKING !!
Post by: firko on February 17, 2013, 11:30:00 am

Yeah it'd work Dave but why spend all that money when a simple Yamaha trailbike ignition will work as well as anything. The DT or IT Yamaha external flywheel CDI ignition is exactly what you need, especially since you're only going to use the bike for dirt track. Ring around the wreckers and keep an eye on eBay, both Aussie and US. I've got a couple of PVLs and Lozzas exotic ignition but I'm using the DT ignition on both of my 360's as I want the extra flywheel on the big engine. I'll use PVL and "Lozzatronic" on my 250's. If you have trouble finding a DT CDI unit, you could revert to the external flywheel points setup as we did back in the day. It works just fine and you can get 'em for as close to free as you can get. Whatever you use.....you need the heavy external flywheel, not an internal rotor ignition like the original.