simon k wrote:
drmini in aust wrote:
A blue die spring can be used with the reverse light switch. Perhaps what you have now.
If you have no switch there, you can use a RED die spring (like mine)- mucho stronger!:mrgreen:
where do you (would I) get one from Kev?
Hit up your local toolroom.
They are a 3/8 OD compression die spring (actually, they measure 9mm)- cut the length as long as possible whilst still being able to get reverse.
If you get a red spring, its bore is smaller than the `tit' on the lockout plunger- just grind that diameter down a touch so the spring fits it.
[edit] I just cut a blue spring, you need to do this mod for the blue spring too but not so much.
Cut length of the blue spring is 40mm, put the cut end UP.
If you want to use a reverse switch with the red spring, make a smaller diameter switch actuating pin up.
I have a red spring in mine, but I put a blue one in Barney and that worked fine too.
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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.
