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OAP Ted's CB400F2 rebuild - engine not run for about 12 years.
McCabe-Thiele (Ted):
--- Quote from: Bryanj on June 12, 2021, 06:57:11 PM ---Standard m6 ht setscrew willdo the job
--- End quote ---
Forgive my ignorance but is a standard m6 ht set screw just the one thread type or is it automatically coarse due to being relatively small?
I find it odd that there is not a washer of any kind used on them.
Bryanj:
Standard" is m6x1mm pitch, there is a "fine" thread ut you would not usethat in alluminium.
A washer is not needed in every case, thet are there to even the load pressure. In this case i think Hondaused threadlock on the bolts but even then ihave seen them back out, usualy when the pivot is siezed which could put excess vibration into the bolts.
McCabe-Thiele (Ted):
Casing going to Croft Engineering today to Helicoil the horseshoe bolts - they are a busy place so I've had to wait for an appointment with the man that does this sort of work.
McCabe-Thiele (Ted):
Engineers are busy so Helicoils still not done yet - yesterday took the CC bolts to be zinc plated locally as I'm not sure I could justify the cost of the Gateros Kit - might revisit that decision no doubt.
Cost me £30 for all 27 bolts & a coupe of clips - other platers seemed to have a £45 minimum charge locally.
Spent an hour or so tinkering with one of my spare engines (Pops old unit) as it was leaking oil from the sump area. Fitted a spare sump with a new gasket and all is now leak free -oil down the bores to start the freeing up process. I will try turning the engine upside down for a few minutes soon to try get some nice clean oil around the camshaft in the hope of helping preserve the status quo so as to speak as it will be 2022 before I strip it down fully.
Wendy is starting to think I have no life outside my 400/4,computer & garage. I have no idea where she is coming from tee hee.
taysidedragon:
Instead of turning the engine upside down, just remove the tappet covers and squirt the oil onto the cam through the openings.
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