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Post by vic6169 on Feb 10, 2021 22:37:21 GMT 1
Wiring is my weakness and im about to start my hybrid build and im putting a 385cc YPVS engine into an LC frame. This engine uses the power valves still. Id like to go ultra modern on the electrics so a modern ignition system im hoping to get fitted. The question im struggling with is what loom to use? A YPVS loom would be easy but if im changing the ignition then would a lC loom be better? Plus the switch gear can stay as an LC or change to a YPVS switchgear? Im struggling to find a build showing if anyone used a LC loom and modded it or just went with a YPVS loom?
What looms did you use on your builds? If you have a wiring diagram also that would be a great help??
Hope you can help
Vic
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Post by headcoats on Feb 10, 2021 22:48:25 GMT 1
I used LC loom and if you get a Zeel then you just need a connector block to the servo motor
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Post by vic6169 on Feb 10, 2021 23:17:13 GMT 1
I used LC loom and if you get a Zeel then you just need a connector block to the servo motor So does the Zeel dispose of the CDI and PV controller?
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Post by jessy03 on Feb 10, 2021 23:20:09 GMT 1
I used LC loom and if you get a Zeel then you just need a connector block to the servo motor +1 same as
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Post by headcoats on Feb 10, 2021 23:21:19 GMT 1
Yes Vic if you have the combined one
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Post by vic6169 on Feb 10, 2021 23:40:17 GMT 1
Thanks for this guys. I notice there is an LC Zeel and YPVS one. Do i tsake it i need the YPVS one. Sorry for all the questions but this is the next parts i need to get like loom, switch gear and ignition etc
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Post by mouse on Feb 11, 2021 0:15:34 GMT 1
I have a 4LO loom with the YPVS bits 'spliced' in on my hybrid. I didn't do it as electrics are not my strong point! It was done by Martin at Taymar racing and allows the LC switchgear to be retained.
Mouse
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Post by JonW on Feb 11, 2021 0:35:46 GMT 1
I never understand why anyone would try to shoe horn in a YPVS loom into an LC when doing this. The LC is a small bike and the OEM LC loom fits the LC, the ypvs doesnt. The fuse box is in the right place, the lengths forward and back are also right and the switches and clocks etc all wire in no problem.
Of course you can make the YPVS loom fit, but if you are not confident doing electrical work then using an ypvs loom seems a strange way to start as being afraid of the YPVS function would net a lot of plugs and wire lengths to be changed and adjusted and be a lot of work that would soon have you feeling out of your depth. better to just work out the ypvs fitment and go from there. either as a zeel or OEM boxes.
If you look at my 251LC thread you can see where i added the 85 electrics into an LC, it wasnt easy as the 85 has some colour codes on the kill switch that fox new players. But easy enough really, while you could argue that I love the challenge of electrics, they really are not hard to understand just take your time as I mentioned in another thread just this week. Anyway, only a few wires sorts this. Also i mention that you can strip the 'ypvs loom' out of an old loom as the OEM yam loom just passes the PV wires forward next to the main loom from controller to servo. I also noted in another build that you could use a zeel and plug in directly to the servo as well rather than this sub loom.
When you said 'Id like to go ultra modern on the electrics' I had hoped you meant starting again from scratch and using something like an m-unit as thats what Id love to do with a build. It would make for a modern loom and be very simple to do once you had your head round how it worked.
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Post by headcoats on Feb 11, 2021 0:42:15 GMT 1
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Post by muttsnuts on Feb 11, 2021 8:47:51 GMT 1
Hi Vic, sorry I meant to call you back, bit distracted with my dad at the moment Anyway, use the LC loom, if your going down the zeel or ignitech route, just make the small bit of servo loom up that you will require, it makes life a load easier as then its everything LC plus a few bits, as you know I am ignitech biased, but don't let that sway you in anyway !
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Post by stusco on Feb 11, 2021 8:56:11 GMT 1
I used one of Norbos f2 looms as it was new ,pain in the a##e altering it to get it to fit though
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Post by midlifecrisisrd on Feb 11, 2021 10:08:22 GMT 1
LC loom all day long
It fits the bike and keeps all the correct plugs and switches
The Iggy or Zeel (as long as the Zeel comes with longer wires now) has the servo motor wiring so goes straight to it.
The YPVS stator genny plug is the same as LC so goes straight in
On Iggy the hi/lo windings aren't used (Zeel may be the same now)
The 2 pick up wires go to the Iggy/Zeel
The 3 way plug on the LC loom (coil feed, 0v and kill sw wire) connects to the Iggy/Zeel
Only slightest pain is the 12v feed
Intake the loom at the fuse box a few inches, pick a brown wire (switched from the Ign switch and feeding the fuses) and splice another wire in. Fit an inline fuse and that's your power feed.
It's really simple. Just don't look at all the wires at once.
Think on an Iggy you only use 11 out of the 20 odd wires, the rest get taped up.
If split into sections it's a lot simpler
Power - 2 wires plus I always do an extra earth link to frame
Servo - 5 wires to motor
Pick up - 2 wires from stator
Coil feed - 1 wire to LC loom (orange)
Kill switch - 1 wire to LC loom (black/white)
From memory the last 2 are on the cdi plug on the loom. Probably a black earth wire there too. Earth that too. No harm having extra earth points
Steve
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Dave B
Drag-strip hero
Posts: 240
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Post by Dave B on Feb 11, 2021 10:45:57 GMT 1
My bike is so non standard that I despaired of ever making a Yamaha loom of any kind that would fit repositioned ignition switch, fuse box, and battery, Zeel ignition and PV controller, Aftermarket speedo, lights and indicators, running lights and different handlebar controls. - Oh I forgot to mention the gear indicator - that's another six extra wires! That's when the M Unit solved the problem. I bought some colour coded single wires, and just wired it point to point, then made up the bundle of wires into a loom. It does the job of the fuse box, the flasher relay, stop light controller, self cancelling indicators, horn relay, and movement detector. I recommend the M Unit.
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Post by JonW on Feb 11, 2021 12:56:47 GMT 1
Thats what im talking about Dave, much better but not for those scared of wires and diagrams.
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Post by vic6169 on Feb 11, 2021 14:58:38 GMT 1
Thank you guys. It’s really great to have all this info. Helps a lot, I now have the basis I can build on.
Dave - it’s fine mate. I didn’t want to pester you whilst your dealing with dad. Hope things are ok.
Thanks all Vic
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Dave B
Drag-strip hero
Posts: 240
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Post by Dave B on Feb 11, 2021 16:56:11 GMT 1
I do know a bit about electrics on bikes- I have to. It used to be my job to teach aprentice bike mechanics about it.
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Post by abar121 on Feb 11, 2021 17:10:59 GMT 1
I had one with a 31k loom that had been butchered to hell, with 31k clocks, controls.
Not the way I would have gone doing the conversion myself.
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Post by compo on Feb 11, 2021 20:16:52 GMT 1
LC loom and Zeel PCDI-10VT
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