LazyBastard
TY 4 Stroke God
Of course not. Neither will their 4-strokes hold together. Direct injection doesn't do much for dependability, what it does is it significantly reduces emissions, fuel consumption, and oil consumption. Yes, oil consumption since you don't have gas washing the oil out of the crankcase any more. Of course its been my experience that Yamaha 2-strokes held together quite well - I have 2 yamaha 2-stroke sleds over 20 years old without any major engine service, both well mistreated.
Sled Dog
Lifetime Member
I just bought a 2 stroke for my son.
pat the rat
Lifetime Member
i feel so confident when heading out on a trip with the 4s,going back to a 2s would put me back in doubt,i remember thinking that i'd hope it didnt blow when i tear it up and down the lake,na,4s for me
nyattak
Extreme
Count me out! I'll never go back to 2-stroke smoke again. The reliability of a 4-stroke engine far exceeds the need of ever owning a 2-stroke. I mean, just look at Ski-doos recalls, recalls, recalls.
Gone Blue
VIP Member
- Joined
- Oct 11, 2006
- Messages
- 1,598
- Age
- 61
- Location
- Howell, Michigan
- Country
- USA
- Snowmobile
- 08' Nytro RTX 40th Anniversary - Stretched
No more 2 strokes for me either. If I was 20 and pounding the trails as fast as I could that might be a different story, but my riding has changed over the years and the 4 stroke suits me just fine. I rode over 300 miles off trail last year and my Rage went everywhere my friends XP Renegades went. I would rather spend my time riding and modifing my 4 stroke than rebuilding a 2 stroke. G.B.
RSVECTORFREAK
Lifetime Member
- Joined
- Oct 28, 2004
- Messages
- 1,151
- Age
- 53
- Location
- Chassell Michigan
- Country
- USA
- Snowmobile
- 2005 RS Vector ER
No not ever again!! Direct injection does nothing for the reliability of the motor. Both of my DOO buds bought x package revs the same year I bought my vector. Both of the DOO's have been re-ringed already with half the mileage and one of them burnt down 2 times and they were both 600 SDI's. I will probably pick up another one next year but my original is staying in the barn to ride another day. It has been so good to me I can't sell it.. My mechanic buddy hardly rode last year due to the fact he always had someone's motor ripped apart on his bench in the garage and that alone made me happy about my purchase.
DoktorC
TY 4 Stroke Master
I'll stick with my 4S thanks. The added weight of my RX is barely noticable versus my SXR in the conditions I ride in.
I'm with Lazy when it comes to outboards though....but that is purely a weight issue. The 4S outboard would hurt my boat's performance so badly that it's simply not an option. In a non performance situation though I run a 4S outboard and love it. IMO there isn't enough (if any) of a performance gap between a 4S sled and a 2S sled to justify changing. If the MachZ was twice as fast as my RX then we'd talk...but they're not. Do I want a Yamaha version of an XP..no thanks. I'll keep my extra lbs of quality thank you...I'd be fine with one or two extra lbs on my W-arm lol.
I'm with Lazy when it comes to outboards though....but that is purely a weight issue. The 4S outboard would hurt my boat's performance so badly that it's simply not an option. In a non performance situation though I run a 4S outboard and love it. IMO there isn't enough (if any) of a performance gap between a 4S sled and a 2S sled to justify changing. If the MachZ was twice as fast as my RX then we'd talk...but they're not. Do I want a Yamaha version of an XP..no thanks. I'll keep my extra lbs of quality thank you...I'd be fine with one or two extra lbs on my W-arm lol.
Metallicat
TY 4 Stroke God
The 4s engine is the only reason I started looking at Yamaha before purchasing my Vector last year. The Nytro is often thought of as the 4 stroke Rev...if it had a 2 stroke in it, would it then be considered the 2 stroke Rev???? In other words, there is no reason to reinvent the wheel and offer a product that only matches the competition at best. The only machine I can think of where a 2s might be a selling point is the Phazer. Maybe a 500cc HO 2s version with DI and 105+ hp, 75lb weight loss in the process?
Nytro40th
TY 4 Stroke God
- Joined
- Sep 19, 2007
- Messages
- 1,798
- Location
- Amherstview Ontario
- Country
- Canada
- Snowmobile
- 2014 SR Viper RTX SE
Love the 4 stroke power down low, I voted NO, the reliability, I can go on.........
04rxw10
Lifetime Member
no for me as well love the 4 stroke
Superman
TY 4 Stroke Master
Don't know. depends on the #'s.
4Fighter
TY 4 Stroke God
For me personally - NO. But I would consider buying a child size 2-stroke that was somewhere between a 120 and a Phazer.
MCApex44
TY 4 Stroke Guru
- Joined
- Mar 30, 2006
- Messages
- 973
- Location
- Western New York, Chautauqua County
- Country
- USA
- Snowmobile
- 2014 Viper RTX SE (sold)
I just couldnt go back to the smoke/smell of a 2-stroke.
Bucky the d.o.g.
Extreme
- Joined
- Oct 8, 2007
- Messages
- 58
- Age
- 59
- Location
- Ottawa, Ontario
- Country
- Canada
- Snowmobile
- 2017 Apex XTX
I am getting too old...can't get it done with 2 strokes anymore, definatly need 4 strokes...christ I am getting close to having a stroke myself.
Ease of operation, not carrying extra oil, not worrying about fuel quality, service intervals , start it and walk away, no changing spark plugs, weight is a non issue I never lift it and I can still throw it around the trails as much as I need too, the 4 holer sound(when the gaskets are good)!! the potential for large power, love the engine braking !!
Ease of operation, not carrying extra oil, not worrying about fuel quality, service intervals , start it and walk away, no changing spark plugs, weight is a non issue I never lift it and I can still throw it around the trails as much as I need too, the 4 holer sound(when the gaskets are good)!! the potential for large power, love the engine braking !!
Groovetastic
Newbie
I can't believe everyone who is comparing a potential yamaha two stroke to ski doo in terms of quality. A ski doo engine historicaly needed two rebuilds before a yamaha needed rings, and that was before direct injection.
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