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Enduro Intake/Carburetion - 2 stroke Jetting, Reeds, Air Filters, etc.


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Old 10-06-2017, 04:47 PM
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Davehuge Davehuge is offline
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Default Fuel Injected 2 Stroke...

How long before we see a Fuel Injected 2 Stroke Gas Gas?

I've never ridden a Fuel Injected 2 Stroke but would love to try one!

Here's KTM's...

http://www.ktm.com/news/int/ktm-unve...duro-machines/
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Old 10-07-2017, 03:23 AM
Elvis74 Elvis74 is offline
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I’ve tried the husky 300 with fuel injection and I love it. I’ve never ridden a gas bike with such a good throttle response. No question in with rpm you ride the motor, it just runs forward. No weakness no holes in the power curve and 100% control over the power without bad surprises. I’m definitely not KTM fan but these new bikes are awesome to ride.


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Old 10-07-2017, 04:11 AM
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Surely fuel injection has to be the way to go, just the fact that it's a closed loop system.

As it's constantly monitoring engine speed, throttle position, air temp, air density, etc, etc. you always get the correct mixture, no matter what altitude/weather conditions you're riding in or how you're riding.

OK, there's more electronics involved but as Fuel Injection systems have been around for many years now, these have made robust and reliable.

Hopefully rather than Gas Gas having to invest huge amounts of money developing their own system, they'll just be able to buy the same system used by other manufacturers and bolt it onto their engine.
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Old 10-07-2017, 11:45 AM
arminhammer arminhammer is offline
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Quote:
Originally Posted by Davehuge View Post
Surely fuel injection has to be the way to go, just the fact that it's a closed loop system.

As it's constantly monitoring engine speed, throttle position, air temp, air density, etc, etc. you always get the correct mixture, no matter what altitude/weather conditions you're riding in or how you're riding.

OK, there's more electronics involved but as Fuel Injection systems have been around for many years now, these have made robust and reliable.

Hopefully rather than Gas Gas having to invest huge amounts of money developing their own system, they'll just be able to buy the same system used by other manufacturers and bolt it onto their engine.
I don't it's closed loop.
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Old 10-07-2017, 01:10 PM
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Quote:
Originally Posted by arminhammer View Post
I don't it's closed loop.
Hi Arminhammer, yes you may be correct, I'm not sure if the KTM system is closed loop.

Of course, if there's a lambda sensor monitoring the exhaust gases and the system adjusts the fuel/air mixture according to this feedback, then that would make it a Closed Loop system.

It's a lovely looking engine, I like the way the fuel is injected straight into the transfer ports.

Also no premix fuel to make up as it has a 700cc oil tank on board and injection of the 2 stroke oil is controlled separately.

I thought they would be expensive bikes but they seem to be competitively priced.

In my opinion this is a massive leap forward for 2 strokes...come on Gas Gas don't get left behind, let's see a fuel injected stroker soon!

Here's an article on the new KTM engine...

https://motocrossactionmag.com/insid...stroke-engine/
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Old 10-08-2017, 02:52 AM
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Just read this another article and it mentions...

"We have also been told that TM, Beta, Sherco and Gas Gas are all deep into development of two-stroke FI systems."

So hopefully we'll see a fuel injected Gas Gas 2 stroke soon.

See the article here...

https://dirtbiketest.com/fresh-dirt/...2GD3MfFxqPH.97
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