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Beauty thanks for that! There's a place in Brisbane too which seems to be highly rated, but then I saw one negative review and they had proper...
I'll do some research :cool: On a side note, have a look at the state of these cam lobes removed from the $100 engine i bought... I think...
Yeah agreed don't fancy them :confused:
Here's the pitting on my spare pair I have read forums which say a little pitting is ok, but i guess it can only get worse the more you use it?...
Hey Greg, i might see if I can give this a go My housemate can weld, not sure if you need to be a decent welder though haha? Don't suppose you...
Apologies for chiming in, you could maybe use the Arduino to produce a PWM that replicates the AC signal maybe?
Ah yeah that looks alright, just realised its $10 for 12 different ones, damned bargain! I got mine from...
Ah yeah ok, the exhausts looked good to my untrained eye, definitely no pitting or concavity(?) of the valves, but I'll factor in pricing for new...
Yeah it's not too bad, Motorcycle spares warehouse for the valves and Impex for the springs :thumb_ups:
Well, the frugal in me is considering if I reuse the exhaust valves as they don't seem bad at all, but haven't decided yet. The shop said that...
Well the engine shop, Nippon Performance in Brisbane, has the seat cutters and has done CBR250R seats before, even had the cylinder head for the...
Sorry @gyro gearloose it is a ZXR250, I'll update the title They have had the cylinder head already and pistons to do some cylinder measurements...
This may take me some time to process! My housemate does have a lathe at the house and a mill drill, he's a mechanical engineer so maybe I could...
Ahh yep ok, so by having the intakes closed you are sort of reducing the power available to compress as the engine (starter motor essentially) is...
Just out of interest, why does the throttle need to be wide open, or the carbs removed? To do with back pressure against the carb plates?
Yeah I don't know if I would have lined them up proper but I know i certainly didn't offset them as per the manual, I'd say more likely lined up...
I did do the valve clearances, cam chain, carb refurb and sync probably 3500km ago and she burns a bit of oil so i figured piston rings or...
I'll have a chat with the engine shop about cutting the seats in and whether they can do anything with them I can put it all back together and...
I would say that the "margin" is not existent on this inlet valve, I've got 3 inlet valves like that where the edge is almost sharp because of how...
Here's that same valve after better cleanup: Brass wire brush on a hand drill [ATTACH]