Honda-SOHC

As interesting alternative Ted

https://www.ebay.co.uk/itm/390062925510 these are flank drive and very low profile ratchet head for access.

Another point for interest (I've already had an alternative manufacturer set like this) is that they make extremely good plug spanner setup for these 4 cylinder Honda engines, with the "pass through " arrangement being able to use the extension and a socket to drop over the plug .... being hollow, both item ... to make very useful reach and access for those two central plugs.

You'd need to check that plug facility yourself though as mine is a different make (now not available) Bahco also owned by SO too.

I have a cheaper Bahco set it was about £20 back in 2021 not sure why this one is so much more expensive.
Not sure what they/yoou  mean by "pass through" ?

Why not? If you can design for whole numbers you can design for half way

They are the same I have. Tip: use a little vaseline, silicone oil or similar inside the upper sealing rubber before you screw the HT wire on. That rubber seal is a bit tight and could therefore resist slightly and give you the feeling you are already there, when in fact you're not. Then you would have a bad connection.

London's Mayor is up for election next week.

Sadiq the Idiot will only be in power if people vote him there. Or worse...don;t bother to vote, thus once more allowing a vocal minority who DO vote to dictate who is in power.

I would like to think the Mayor of London (and therefore the head of TfL who are responsible for bus lanes) will implement the use of bus lanes for motorcycles if that is what the outcome of the public consultation decides. Unfortunately the Mayor of London does what he and the minority with the loudest voices want not what the majority have requested through a democratic process. The expansion of ULEZ is a perfect example of his thinking. Prior to the expansion of ULEZ TfL posted a public consultation paper asking if the taxpayers and road users of London thought the ULEZ expansion was a good idea. The mayor received something in the region of 14,000 responses to the consultation of which over 10,000 were opposed to the expansion. This was obviously bad news for the Mayor and his cash cow idea so he ignored the majority and implemented the expansion of ULEZ anyway giving people just eight months notice to get rid of their allegedly polluting vehicles and buying something compliant. The values of old cars plummeted overnight whilst the values of compliant vehicles massively increased, if you could find one. Still, every cloud has a silver lining and as if by magic your otherwise dirty polluting vehicle the fumes of which allegedly kill people can become clean if you pay the mayor £12 a day 🙄.
I hope we are allowed to use all the bus lanes in London instead of just a few that a poorly signposted but I think London will be excluded from any legislation on the orders of a dictator Mayor.