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1969 CL450 US Barn Find Restoration
Johnwebley:
I would go plugs out,and spin it up
great pictures ,
K2-K6:
Good progress, and pictures.
I'd do the same, plugs out and spin it if all set up ok.
MrDavo:
Looking at photos of the used CL450 bars for sale on eBay, I've realised that when my SL350 ones show up, the first thing I'm going to have to do is make a big hole in them, as there are no cables from the left hand bar on the SL (there is a hole to locate the clutch lever peg). I reckon three large overlapping holes should give me the slot I want, I'll be mirroring what's on the other side. I may need to file any sharp edges I make though, I don't want to make a short circuit.
Last night I redadjusted the valve clearances with the rotor on the TDC marks, two were a bit tight, the other two were fine.
Then, as suggested, I took the plugs out and connected the CB750 battery direct to the starter motor and earth. I had cleaned and checked the starter, still it was probably the first time it had been used in years, so I was glad to find it worked OK.
As suggested in the manual, I took one of the nuts off on the head studs where there is a copper washer, and waited until oil appeared. Then I kept turning until I saw it at the camshafts:
I stopped once the battery was getting flat and the cables were hot. I was tempted to have another go once the battery is recharged, but I'm not sure what the point would be. I know oil is going where it should, it will get plenty more when it is running under its own steam I hope.
Next I'll fit and static time the points, I'm more or less done with the motor then.
I notice I'm missing a large O ring in the chaincase cover where the oil filter end cap goes in - theres a new one on the cap, but there should be one in the case too. I'm damned if I'm paying a £6 delivery charge on it though, so it will have to wait until I inevitably need more bits from Mr Silver. There ought to be better oil pressure with it in place, there wasn't one there when I stripped it, looking at the photos.
MrDavo:
I found there was an O ring in the clutch cover when I took it off, so I fitted that for now. I was disappointed to find the right inlet cam bearing cover (left) was leaking oil when I went back in the garage:
That manky screw at the bottom wasn't the correct one, I found a longer one and swapped it. I couldn't take the cover right off, as it supports the cam, but pulled it out far enough to apply a smear of sealant with a screwdriver tip. All tightened up I have cranked the motor over some more to test for oil tightness, it appears to be OK now. The last thing I want is a leaky Honda, my mates with Brit bikes at the BMPS would never let me hear the last of it.
My bars turned up from California at last this morning, for a 1970 SL350 they measure the same as James' CL ones in every way apart from the width, at 820mm the same as the ones on his 500.
Thery don't look over wide on the bike, and the reinforced centre tube will fit between the clamps OK.
As predicted I will need to make a slot for the cables on the clutch side, as there are none on an SL. Top are my bars, below a photo I pinched from the listing for a pair of CL450 bars on eBay.
I don't know yet if my existing pull backs (for sale if you need a pair) have holes drilled for the lever mount locating pins, the pins may have been ground off the switchgear. Once I start on the chassis I can have fun making holes for and pulling through the cables, at the moment they live outside the handlebars, which looks messy.
JamesH:
Dave - have you seen these repro badges??
https://www.ebay.com/itm/HONDA-CB450-K1-68-SIDE-COVER-BADGE-NEW-REPRODUCTION/301815653954?hash=item46459d6642:g:Pg4AAOSwDNdVpC~b&vxp=mtr
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