MC22 Track Ready Project

Update:

So I guess really with some massive help from Maelstrom (sorry to call you out) and Kiff of course.
I have finally got my mc22 into a much MUCH more competitive and threatening state.
Here is a video of a 0-100 I did once I started to get the fuel air reaaaaallly close to perfect.
Current "power" setup

stock sprockets 17 + 52 with neglected chain (my fault probably only cleaned & lubed it 3 times in total since owning the bike)

Hiflowfiltro Air filter
stock airbox

x4 short velocity stacks
x4 #108 main jets
stock slow jets and needle configuration (no shim etc)
Pilot screws at 1 & 5/8 turns out (I can get the screw mixture between all 4 cylinders much more accurate I was just rushing)
Bench synced with .010 guitar string

Cleanish intake ports, valves etc due to fuel additive

Stock spark plugs nkg cr9eh9 gapped to EXACTLY 0.8mm

Roo Racing straight through muffler with stock 4-1 rusty exhaust

Electrical is all 100% stock except the lip on the disc inside the instrument cluster has been cut off that sets off the top speed restriction.
The pickup coil its 40 ohm over the 420 ohm maximum recommendation by the manual but everything else is in spec

secondary coils on the ignition coils are about 27k ohms with the caps on with yellow/blue going to 1 & 4 and blue/yellow going to 2 & 3 (I feel its necessary to mention that because secretly I think the CDI knows)

And I am using 7100 motul oil at exactly half way on the stick reader when not screwed in.

98 RON shell v power petrol (tank was fully filled)

My weight with gear on when standing on scales is 70kg



In the video when I actually did the 0-100 I clutchless shifted between first and second and it tried to slip out twice slowing me down, I can say even in the bikes current state I could have done better which was my fault but you be the judge.

Things I am still planning on doing power wise:

-New quality chain and sprockets replacement I will be going to 54 teeth with 136 link chain like stock cbr250r
-Slightly advanced ignition timing using spark rotor/reluctor from factory pro
-Tweak pilot jet screws so all 4 cylinders are equal
-Quick turn throttle

And that pretty much covers it for me power wise, wont be focusing on power directly after the above. Will be doing one last dyno to show results to all the would be power hungry mc22 owners.

 

Oh totally, I love everything about it. I just wish they made a really good motorcycle equivalent.

 

So a very last minute decision was made and I have ended up going with the 110/70 & 140/70 Bridgestone R10 tyres

pretty much they are a great size, legal, they should be able to compete with the almighty supercoursa and they cost me 300$ a set including new valve stems, balance and align. Good guy, good service.

Just gonna do some suspension work and it will be time to set some records.

 

Well, first taste will be within 2 months. Thinking briefly over it all it is something like:
-waiting for reluctor to arrive
-need to order front spring and rear shock
-book in next available at eastern creek
-do dyno while waiting for curiosity's sake

There is also a production 250cc race coming up in november I overheard, I might join in just to show everyone what's what.

 

I like to think skill doesn't require practise and that somewhere deep in us all there is a champion that can get lap record breaking times on the first try if we search deep within our soul.
Surely I'm not the only one that thinks this! =p

 

It's an interesting topic to be honest.
It's reminds me of when I first started playing guitar and people would say things like "if Hendrix can pick up a 20$ guitar and make it sound amazing then it's good enough for you" or "instead of trying to figure out x bands tone why don't you spend more time practicing 90% of tone is in the hands blah blah"

These stereotypical go to statements on infinite loop.
"What mods can I do to make my 250 go faster?"
"Save your money for a bigger bike".

I'm the type of person to exploit any possibility within any given rule set
If that means I'm the only person out there who thinks of things like painting a radiator black or if a silencing your exhaust sound helps with over taking or why does a 2 stroke 250 have the second fastest lap time etc etc then I'm happy, happy that there is a right and wrong and that knowing the answer to the question means I'm faster without having to set foot on the track.
The excellent thing about racing compared to music is it's not a matter of opinion, whoever wins is right.
I put it to "whoever" that in the amateur scene the bike is just as important as the rider and that theoretical man hours are just as valuable as practical man hours.
#borderlinecrazy
I guess we will see.

 

Quick update,

So out of all the jobs that make you want to curl up into a ball and die a full carb clean, repair and rebuild is by far the longest and painstaking I have had so far. heres some photos.

 

Yeah she runs =) carb clean and rebuild was a successful mission, took my time and got it right.