SOHC.co.uk Forums > CB350/400
CB400F2 - Petrol tap
Aye Gee 1977:
After a mere 40 years on non-use, I thought now was the time to restore my beloved 400 - bought new when 1 was 17 years of age and then ridden to death before being retired at 65,000 miles
I have had a few problems - the rear hub housing was worn due to the bearing turning within; this was a recurring issue when in regular use. Not noted previously, the sleeve between bearing and axle on the drive side has worn - presumably it was turning on the axle rather than the bearing; fortunately the spindle is unscathed. Anyway, all stripped down including splitting the crankcases (for the second time in my ownership) and now being reassembled. The chrome plating seems to be taking an age - it won't be long before it is holding things up. I just hope they haven't lost anything.
Parts are not too hard - but I can't find a rear mudguard (so had to patch the holes with fibreglass(!). I managed to dismantle the horn such that it now makes a noise of sort - and only broke the plastic a little when reassembling.
Anyway, I did a silly thing and applied some heat to the petrol tap to loosen its screws - which was successful! I now know there is a tapered nylon bush inside - with a low melting point. Does anyone have a spare bush or bustd tap, please? If it matters, it has a 20mm thread.
If not, can anyone speculate whether (and which ideally which) of the cheapo petrol taps on ebay might yield a suitable innard
Thanks
Aye Gee 1977:
--- Quote from: Aye Gee 1977 on January 04, 2024, 04:02:47 PM ---After a mere 40 years on non-use, I thought now was the time to restore my beloved 400 - bought new when 1 was 17 years of age and then ridden to death before being retired at 65,000 miles
I have had a few problems - the rear hub housing was worn due to the bearing turning within; this was a recurring issue when in regular use. Not noted previously, the sleeve between bearing and axle on the drive side has worn - presumably it was turning on the axle rather than the bearing; fortunately the spindle is unscathed. Anyway, all stripped down including splitting the crankcases (for the second time in my ownership) and now being reassembled. The chrome plating seems to be taking an age - it won't be long before it is holding things up. I just hope they haven't lost anything.
Parts are not too hard - but I can't find a rear mudguard (so had to patch the holes with fibreglass(!). I managed to dismantle the horn such that it now makes a noise of sort - and only broke the plastic a little when reassembling.
Anyway, I did a silly thing and applied some heat to the petrol tap to loosen its screws - which was successful! I now know there is a tapered nylon bush inside - with a low melting point. Does anyone have a spare bush or bustd tap, please? If it matters, it has a 20mm thread.
If not, can anyone speculate whether (and which ideally which) of the cheapo petrol taps on ebay might yield a suitable innard
Thanks
--- End quote ---
Add some images.... [ Guests cannot view attachments ] [ Guests cannot view attachments ] [ Guests cannot view attachments ] [ Guests cannot view attachments ] [ Guests cannot view attachments ]
McCabe-Thiele (Ted):
I suspect it's unlikely that innards from a new aftermarket tap will be interchangeable.
Many now have rivets holding them together.
I would try & source an original used one I'd start with Steve at 400 bits.
I bought one off e-bay but the thread was wrong so had a refund, it also differed from the photo that showed screws, there are a couple of different sized threads iirc where it fits the petrol tank.
What confused me was there is only one part number listed in the parts book 16951-377-005 like this one below.
.https://www.ebay.co.uk/itm/115828691611
I have a dented early 400 petrol tank & the tap is a different size fitting to my later 400.
taysidedragon:
I bought a tap repair kit from David Silver a few years ago and I'm sure that it included the nylon bush thingy.
I just had a look at DS and the repair kit doesn't include the nylon Bush. ☹
Aye Gee 1977:
--- Quote from: McCabe-Thiele (Ted) on January 04, 2024, 04:31:51 PM ---I suspect it's unlikely that innards from a new aftermarket tap will be interchangeable.
Many now have rivets holding them together.
I would try & source an original used one I'd start with Steve at 400 bits.
I bought one off e-bay but the thread was wrong so had a refund, it also differed from the photo that showed screws, there are a couple of different sized threads iirc where it fits the petrol tank.
What confused me was there is only one part number listed in the parts book 16951-377-005 like this one below.
.https://www.ebay.co.uk/itm/115828691611
I have a dented early 400 petrol tank & the tap is a different size fitting to my later 400.
--- End quote ---
Thank you. I will ask if 400bits has anything to help. It does seem that there is more than one fitting size
Navigation
[0] Message Index
[#] Next page
Go to full version