My thundercat

[Fenlander]

Short but stunning video, when the sun shines in Scotland it really delivers.

[spartacus]

Great video.

[Roflhat]

Cheers, just glad the drone survived its first outing on the boat!

[tinker]

Great video, nice drone shots. May get mine out for it's annual outing.

[Roflhat]

Started putting the 50hp back together, got a full powerhead gasket set from Yamaha along with a new bottom crank bearing and new crank oil seals.
Also put the new Boyesen reeds in. The wee screws that hold them on were too long even with the standard reeds so I used the dremel to make them flush. Reed blocks on the 40/50 are a bit of a choke point so more flow here is better. Can see before and after

[tinker]

Very interesting, I have a 40hp yamaha, would the
reed change and pin mod make much difference as a stand alone mod?

[Roflhat]

The change of reeds should, they flow better than the standard steel reeds so give crisper acceleration. Also a nice safety feature as if they break they won't damage pistons etc. as the steel ones would.
Grinding the bolts down I doubt you'd notice on it's own, but do enough wee tweaks like that and you'll gain power. All about making air flow smoothly and efficiently through the engine

[tinker]

Cheers.....any recommendations for a supplier?

[Roflhat]

Boyesen and Chris Carson Marine (CCM) are the two big brands, both much of a muchness. I usually go for the most standard rpm range ones they offer. Usually offer a sport, drag and race reed getting thicker as you go up. These are the ones I ordered - https://boyesen.com/p589866-power-reeds?uid=12178

Boyesen 332

[tinker]

Cheers for that , appreciated, I will investigate further.