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Post by petenofear on Oct 2, 2018 23:13:27 GMT 1
Hi all not been on here for some time sorry busy working
my Q is i have a mk2 rd125lc and have had for some years now but tonight after a ride out the little bugger blow the bottom end ( having all build back up just going to order some bits tonight)
any way my Q is i have a ypvs engine can i just drop this in for now while mine is being rebuild and will it run with out the power valve conected ,wired up
thanks and hope some one can help with my Q
pete
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Post by petenofear on Oct 6, 2018 19:56:09 GMT 1
Anyone no would be grate full
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zalle
L plate rider.
Posts: 18
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Post by zalle on Oct 8, 2018 14:42:33 GMT 1
Hi,
Not sure about the straight swap, I can only guess it's ok to do it, why not?
I can tell you it will run with the ypvs off.
You have to choose to either open or close the valve by hand to suit your riding preferences.
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Post by donttellhimpike on Oct 8, 2018 19:57:34 GMT 1
It will drop straight in. I used to have a Derbi Senda that I put a MK3 125LC engine into, using a TZR loom and powervalve controller. You just need to connect the cables backwards as the pulley is on the opposite side of the barrel.
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Post by petenofear on Oct 10, 2018 17:25:22 GMT 1
Thanks for your help guys
One more question are the bottom ends the same on the mk2 and mk3
As I have 2 ypvs engines and wandering if I can fit a mk2 lc barrel and head
Thanks pete
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Post by museumman on Oct 10, 2018 23:22:59 GMT 1
No the YPVS bottom end has a longer conrod and barrel matches it
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Post by petenofear on Oct 11, 2018 16:23:16 GMT 1
No the YPVS bottom end has a longer conrod and barrel matches it Nice one thanks for your help |
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Post by petenofear on Oct 11, 2018 21:21:40 GMT 1
Hi again
I got my engine back today from my engine builder and good friend
Full engine rebuild top and bottom
Engine back in tonight and she sounds sweet as a nut ,
Now the boring run in time , what sort of miles would you guys recommend for miles to run in ,
I am used to the Moto x side 3 10 mins rides nice and steady then rag the thing lol
Thanks
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Post by Gunny on Oct 12, 2018 14:09:21 GMT 1
I ran my 350 ypvs in for 100 miles and its been fine
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Post by raven13 on Oct 12, 2018 17:49:00 GMT 1
Hi again I got my engine back today from my engine builder and good friend Full engine rebuild top and bottom Engine back in tonight and she sounds sweet as a nut , Now the boring run in time , what sort of miles would you guys recommend for miles to run in , I am used to the Moto x side 3 10 mins rides nice and steady then rag the thing lol Thanks 3 heat cycles retorque after each cool down then a few runs increasing the revs. then ride it as you wish. non of this hundreds of miles crap. |
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Post by petenofear on Oct 12, 2018 20:18:09 GMT 1
Hi again I got my engine back today from my engine builder and good friend Full engine rebuild top and bottom Engine back in tonight and she sounds sweet as a nut , Now the boring run in time , what sort of miles would you guys recommend for miles to run in , I am used to the Moto x side 3 10 mins rides nice and steady then rag the thing lol Thanks 3 heat cycles retorque after each cool down then a few runs increasing the revs. then ride it as you wish. non of this hundreds of miles crap. Man of my own hart lol I am motox and don’t really need to big run in but I am happy ish to do a 100 miles run in if needed Thanks for all the people on here that has helped |
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