duk2n
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Anyone has seen the crankcase design of the NC engine? I doubt a bigger bore is possible...
And finally someone realized what I was talking about...
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Anyone has seen the crankcase design of the NC engine? I doubt a bigger bore is possible...
Going to need a lot more than luck.........there is no extra meat on those cylinder sleeves..........the above pics should end this big bore mod to stock NC parts.
Cam chain is heavy duty long lasting because it is the chain out of the FIT We are NOT reopening the FIT again
PS over sizing .25mm get almost nothing as far as increased displacement ( as in not worth doing the math)
Yes, the big bore kit is not happening. Not unless someone develops a top case / half with lot's more meat on it for bigger pistons. I would imagine for that much metal, $$$.
But, to the debate over boring out the stock case to .25 over. That is entirely possible.
Clearly everyone is missing the TURBO option
That would be the only thing I would contemplate with the NCX, a very mild, low psi huffer (well other than nitrous, lol) as far as extra engine oomph goes. Possibly supercharging instead, but that would seem to be a bit more complex?
What about the other things that go along with power adders? Do we know for a fact if a successful big bore *was* somehow managed, that the crankshaft and con rods are up to the task? What about fueling? We know Bazzazz and Power Commander type units are hideously expensive, so of course throw that wallet emptying requirement into the mix.
Using the OEM exhaust would of course be silly, so say hello to a few more trips to the bank for a full system to be added. is the stock paper air filter good enough for more flow through it?
What about the counter balancer? Can we make sure the new bigger pistons weigh the same as the older smaller ones? Do you want a buzzy vibrating bike to go along with your ten more horsepower multi-thousand dollar hop up kit?
Something I did stumble upon, is how the cylinder walls are surrounded by coolant. Subaru's boxer 4 engine in the legacy do the same thing, and are prone to head gasket failure. I've done 2 head gasket jobs on both my sister's Subaru's at around 80k miles. Then again, I've seen nothing about head gasket failure on the NC yet.
I think supercharging would be more complicated than turbocharging. You'd need to have a way to drive the charger off the engine, be it from the clutch or flywheel. Modified cases would be needed, plus a place for the charger to go. The hardest part about turbo-ing the engine (in my mind) would be getting oil to the turbo, and then routing the charged air to the intake, possibly through an intercooler. The stock airbox would then be useless, but a conical filter could just get stuck on the inlet of the turbo. I've been thinking about all of this with the turbo taking the place of the cat under the engine.
But.....
It doesn't have an active MAF, and its FI, not carb.you'll get more air in but no more fuel and it'll just run badly.
Edit. Also, the engine only does 6500 and is only displacing a very small amount of exhaust fumes. It'd need to either be a tiny turbo or a fiendishly expensive hybrid with, probably, variable vanes.
Remember guys, for a couple of grand you can chop your NC in for a vstrom or the brand new MT-09, which is the same price as the NC.
?.....Maybe some sort of electric supercharger is the answer.
Something I did stumble upon, is how the cylinder walls are surrounded by coolant. Subaru's boxer 4 engine in the legacy do the same thing, and are prone to head gasket failure. I've done 2 head gasket jobs on both my sister's Subaru's at around 80k miles. Then again, I've seen nothing about head gasket failure on the NC yet.
It's quite normal for coolant to surround cylinders on modern engines. The series of Subie motors which are prone to failure are a relatively weak open-deck design. The turbo models are semi-closed-deck, are stronger, and not particularly prone to HG failure.
All the electric supercharger's I've seen so far don't actually develop any real pressure and are a waste of money.You're right about turbo placement, there are all kinds of automotive turbo kits that place the turbo(s) behind the rear axle of the vehicles. But then miles of plumbing are needed. I've seen this done on Tacomas and 'Vettes, talk about crazy power and a wicked sound. The turbo on my truck sits right at the back of the valley, which kind of makes up-pipe replacement a bit of a b!%@h. Just ask my transmission guy...
A little, tiny turbo like what was/is on that WR would be amazing on this bike. If it spooled around 3k that would be perfect. I'll have to look at my manual and see if there is any decent spot to grab oil from, unless there are turbos out there that have their own oil. Maybe some sort of electric supercharger is the answer.
All the electric supercharger's I've seen so far don't actually develop any real pressure and are a waste of money.
The electric models I've seen are basically just fans.I've never looked at them, but that's unfortunate to hear. I did stumble upon a company that does small, self-contained variable geometry turbos for bike/ATV/UTV engines. Aerocharger is what they are called. Cool little units.