That said, my 2c would be to pass on a K9 “A” unless engine your options are very limited. It’s almost a 20 year old model now. Yes they were great at their time, but definitely would be at a disadvantage to the newer models. I’d go as far to say as 0.4s, all other things being equal of course.
Thank you glenn . I had put my engine on sale now to see what can i do .
Enother one new problem that i can see if i switch to swifter animals is that my senior chassis dont have a hole. To support the shift lever . Is this something to buy as aftermarket part ?,
If you can get a good deal on a shifter chassis and sell your single speed that would be preferable. But I think with a couple clamps and brackets you could mount a shift mechanism.
But you will also want front brakes. So by the time you make/buy all of that you are better off getting a shifter chassis.
Yeah unfortunately OTK is one of the few that the shift lever can’t be added on with brackets since the shift shaft actual goes through the tank uprights on the OTK. You could always get a paddle setup, but you’d still need front brakes.
it’s a lot more involved than it looks to convert a 100cc chassis into gearbox.
Water pump bracket, you can buy a clamp on type. You will need a water pump pulley, water pump, rad kit, hoses, stat etc
Front brakes, probably the most difficult and expensive part of the conversion. Depending what chassis you have you might be able to use a complete kz front brake system from a KZ OTK including stubs etc. It will still be expensive.
Gear lever, nearly as tricky as the front brakes. You can potentially weld the right size tubbing on the sterring column uprights but the gear lever needs to be the right angle, size etc otherwise it won’t line up with the gear lever on the engine
You will also need a silencer and the relevant brackets, silencers can be expensive
Also a clutch lever and different type of steering hub
428 chain and sprockets
The correct type axle to take a gearbox axle sprocket
And a lot of other smaller bits to complete the package (aibox trumpets, carb jets/emulsion tubes etc)
KZ is an expensive territory to start from scratch or convert a non gearbox chassis