Kachess
TY 4 Stroke Junkie
We've been messing with a sled with a Bender stage one turbo for the past couple of years. Our goal has been to get a sled that handles like our stockers, but has 100 more HP. It's been a struggle. The sled runs strong and has been fairly reliable. It just feels like a pig after jumping off our un boosted tons. We've, little by little, put as close to our stockers as we can. Narrowed the front end, rider forward, MM seat, light battery, even reversed the drop-and-roll it came with. Everything helped, but when it comes to pulling tricky lines and general boondocking I dread getting stuck with it. It pulls hard, but seems to trench when the stockers float, and given enough runs the stockers can eventually hit the himarks it makes. I finally siphoned the gas and weighed it last week and was suprised to see 616lbs with a little gas left in the tank and some snow in the skid. Our stockers are +/-550lbs. And the turbo's weight is high on the sled; top of the engine and tunnel. The sled has an MPI tunnel that looks pretty light. I've made some more adjusments to the suspension and will give another shot on friday. If that doesn't help I'm temped to un-turbo it and have an awesome backup sled. For a little guy like me the boost advantage just doesn't overcome the weight penalty. Not when it puts the sled into a "tank" category. We have a new mcx turboed Ton added to our riding group and the fellow is still in the process of knocking weight off it. The guy is bigger but at this point the sled is still riding him.
As you've likely figured out you'll never get it as light as a non turbo. Your T25 turbo is 13 lbs
Return oil pump 6 or so
electric fuel pump 3 or 4
intercooler is about 11 the Bender airbox is less
Charge tubes couple of lbs
it all adds up.
I've found that they need more power to make them ride lighter which is why guys are running 17 + lbs boost. I jacked mine up and really now only ride it in deep snow, on the lower snow days I ride my Nytro
Good luck with your dilemma.
Return oil pump 6 or so
electric fuel pump 3 or 4
intercooler is about 11 the Bender airbox is less
Charge tubes couple of lbs
it all adds up.
I've found that they need more power to make them ride lighter which is why guys are running 17 + lbs boost. I jacked mine up and really now only ride it in deep snow, on the lower snow days I ride my Nytro
Good luck with your dilemma.
whitee
Extreme
Kachess you should be able to run around the stockers I ride a supercharged rx with a 159 ride with a stage 1 bender rear mount like yours with holtz and 2 cpr tubo rx1s with 159s and holts the Bender rear mount with over a year of tuning will run as good as any of the others. we are seeing 55 to 65 mph track speed when climbing and there is not a stocker out there even with a run that can climb half as far as our boosted sleds I think with that bender I know he has a shockwave secondary and I will check with him on the primary weights they are a little heavier but with the right settup you shouldnt notice the weight
freelheeler
Pro
kachess, stumped!!! i don't believe it...
freelheeler
Pro
i've really been considering boosting mine or even the purchase of a boosted sled, however this is my fear. an uncontrolable monster! i've thought a SC would compliment the rx's exisitng setup a bit better, maybe not the high mark but a better overal sled.
Lots of it comes down to where you ride, your riding style, snow conditions etc. Its now an age old debate, me personally I'd never be without my turbo sled but that said I don't want to ride it everyday. If there is deep snow it doesn't matter the terain but in low snow the weight can beat you up.
Rx1M5
Rx1M5
Frostbite
TY 4 Stroke God
Kachess, I'm shocked but not surprised.
I have ridden turbed RX-1s and Apexes and it didn't take long to realize that in the tight trees and sidehilling often encountered during boondocking, boost isn't a benefit. In fact, the added weight (especially up high) tends to try to drag you to the bottom of the canyon.
There was a lot of pressure within my riding group to follow the crowd and boost my sled but, I guess I just wanted something different. I wanted a lightweight flickable boondocker that I can easily ride. One that allows me to pick the tougher lines up the mountain, lift the skis at will and generally just be able to throw the sled around.
I bought that sled and my riding skills improved ten fold over night. I think herding my ton for all these years (or was it hearding me) has made riding my new 09 M8 153" Sno Pro like a walk in the park. Some of the stuff I was doing yesterday, I would have never dared to do on my RX-1. The off camber slopes, the sidehills off into the oblivion for blocks, the climb with a huge dogleg in the middle, etc.
Good luck buddy. I know you'll make the right decision. If you know of anyone looking for a RX-1 let me know. Mine is done up with all the right mods and in excellent shape and ready to go. I was going to keep it (and I still might) or I may wait until next fall when the market is better but, it will be available if someone wants it.
For me, BDX (Black Diamond Extreme) has the parts available to bring the 09 M8 153" sleds down to 398 lbs. RK Tek has the porting and the head to bring them to 185 hp. That's without the issues associated with a turbo. Now that my friend, sounds like fun to me!
I have ridden turbed RX-1s and Apexes and it didn't take long to realize that in the tight trees and sidehilling often encountered during boondocking, boost isn't a benefit. In fact, the added weight (especially up high) tends to try to drag you to the bottom of the canyon.
There was a lot of pressure within my riding group to follow the crowd and boost my sled but, I guess I just wanted something different. I wanted a lightweight flickable boondocker that I can easily ride. One that allows me to pick the tougher lines up the mountain, lift the skis at will and generally just be able to throw the sled around.
I bought that sled and my riding skills improved ten fold over night. I think herding my ton for all these years (or was it hearding me) has made riding my new 09 M8 153" Sno Pro like a walk in the park. Some of the stuff I was doing yesterday, I would have never dared to do on my RX-1. The off camber slopes, the sidehills off into the oblivion for blocks, the climb with a huge dogleg in the middle, etc.
Good luck buddy. I know you'll make the right decision. If you know of anyone looking for a RX-1 let me know. Mine is done up with all the right mods and in excellent shape and ready to go. I was going to keep it (and I still might) or I may wait until next fall when the market is better but, it will be available if someone wants it.
For me, BDX (Black Diamond Extreme) has the parts available to bring the 09 M8 153" sleds down to 398 lbs. RK Tek has the porting and the head to bring them to 185 hp. That's without the issues associated with a turbo. Now that my friend, sounds like fun to me!
Joa
Newbie
Frostbite said:
Oh man, you left this one wide open... you forgot about "all the issues associated with a 2-stroke...."
Sorry, couldn't resist. Make sure to keep that RX-1 for a dependable backup sled
Actually, I'm with you. I've thought about getting a flickable 2-stroke and calling it a gift for my wife
Frostbite
TY 4 Stroke God
I know Joa, I'm as shocked as the next guy that I ended up on a two stroke again but, after the 2010 Yamaha's were released that was it!
I have waited for 7 seasons for them to release a true mountain sled that is light, numble and reliable. I bet they'll have one next year now!
The wife oked a new sled and after Yamaha didn't offer what I was looking for I aimed for a Skidoo XP 800 Summit but, the engine reliability and clutch (belt) issues scared me away.
So ok, I'll focus on a Polaris Dragon 800. Once again the engine reliability on the 09 800's are horrible. Once again, I ran off screaming!
Shockingly to me, it seemed that the only commonly reliable 800 two stroke was the Cat. I absolutely hate the Arctic Cat green but the white sno pros appealed to me. So I went on a demo ride and rode a 09 M8 sno pro and m1000 sno pro. The M8 felt a lot lighter (it's 30 pounds lighter)and to me it was a lot more fun than the M1000.
The deals on new sleds now are incredible right now, so I bought one.
I have waited for 7 seasons for them to release a true mountain sled that is light, numble and reliable. I bet they'll have one next year now!
The wife oked a new sled and after Yamaha didn't offer what I was looking for I aimed for a Skidoo XP 800 Summit but, the engine reliability and clutch (belt) issues scared me away.
So ok, I'll focus on a Polaris Dragon 800. Once again the engine reliability on the 09 800's are horrible. Once again, I ran off screaming!
Shockingly to me, it seemed that the only commonly reliable 800 two stroke was the Cat. I absolutely hate the Arctic Cat green but the white sno pros appealed to me. So I went on a demo ride and rode a 09 M8 sno pro and m1000 sno pro. The M8 felt a lot lighter (it's 30 pounds lighter)and to me it was a lot more fun than the M1000.
The deals on new sleds now are incredible right now, so I bought one.
Kachess
TY 4 Stroke Junkie
Newsflash frosbite. You could always by a lightweight, nimble, bluesmoke billowing, wing-dinger. They're the norm, the vanilla sled. And you can mod it, clutch it, pipe it, even put cool decals on it, but it's still a vanilla sled. One of millions. The goal of the people on this site is to be different. To pioneer the introduction on a 4-stroke powerplant to modern mountain snowmobiling. The "weedblower" motors in today's 10K sleds may meet epa guidlines, but they still lay down oil stripes, smoke, stink, and blow new engines at the same rate as 10 years ago. And if you're M8 is so much easier to throw around than your Ton, then you Ton isn't set up right. Guys fix their tons by widenning the front ends, put a 16 inch track under'em, put fat skis on'em and wonder why they don't carve and sidehill easily. Nimble sleds, like M8's, are narrow and loose, not wide and stable. A properly modded and setup ton will run with'em all, and we do. Congrats on your new puchase, and thanks for all you've done to further the fourstoke cause, but their are lots of forums for twostoke enthusiast to share their exitement and ideas. This ain't one of them.
Frostbite
TY 4 Stroke God
Joel, I'm the last guy you need to start preaching to about the benefits of fourstroke sleds! 
I have been right here along side you since the beginning helping folks along in their endeavors of trying to turn their RX-1s into respectable mountain machines.
I love my RX-1 but after seven seasons on the same sled, I could no longer continue to ignore the benefits of the new truly lightweight sleds.
I will probably keep my RX-1 due to all the time I have spent transforming it into a viable mountain sled, and yes my RX-1 is done up right and is a very capable machine.
I remember when Aaron bought his M7, he received the same kind of lashing. It's ok to have another kind of sled. We all still like riding and I just wanted something new to modify. I have done just about all I intend to do on my RX-1.
I don't plan on leaving the forum. I'll still stick around and try to help out where I can.
I have been right here along side you since the beginning helping folks along in their endeavors of trying to turn their RX-1s into respectable mountain machines.
I love my RX-1 but after seven seasons on the same sled, I could no longer continue to ignore the benefits of the new truly lightweight sleds.
I will probably keep my RX-1 due to all the time I have spent transforming it into a viable mountain sled, and yes my RX-1 is done up right and is a very capable machine.
I remember when Aaron bought his M7, he received the same kind of lashing. It's ok to have another kind of sled. We all still like riding and I just wanted something new to modify. I have done just about all I intend to do on my RX-1.
I don't plan on leaving the forum. I'll still stick around and try to help out where I can.
bdm
Expert
I almost always ride alone; but, I rode with a group last week. Felt sick to my stomach most of the day due to the two-stroke stench, and they were all new machines. I am going back to riding alone.
Kachess
TY 4 Stroke Junkie
No problem having a different sled. But if you want to convince people of the great benefits of M8's and two strokes or debate the ole 2-stroke vs 4-stroke thing, go to Snowest. Over there we love that crap. This is a site for 4-stroke enthusiast. You don't go to a muzzle loaders site to brag about how awesome modern firearms are. It's pointless and even inappropriate. Go ahead and offer advice. It's a free country. But a guy who used to ride 4-strokes, but then saw the light, is not a great cheerleader for the fourstroke cause. Actually it brings down the energy just seeing them lurk about the site. And I think they ought to be required to have a "switched back to two strokes " on their profile so people know where their advice is coming from. Personally, I think you should go make some new friends. You have lots of company now. Just my opinion, I'll say no more.
bdm
Expert
Kachess said:
That was pretty harsh...
Kachess
TY 4 Stroke Junkie
Yea. That last part was over the line. Sorry, Frostbite. You've helped me out plenty. Just hurts to see the voice of rx1 mountain fourstrokes jump ship. Next thing you know ole climbmax will be riding a boosted m1000.
Rode our turbo yesterday in 3 feet of powder. I dropped the suspension and adjusted the shocks to exactly match our stockers. It pulled hard and popped up the hills easilly, but would not lay nicely on its side while carving. Wanted to lay all the way over. Decided to start pulling the turbo off it while the engine is still intact and my race fuel cans are empty. I can see it being sick fast for a trail rider or a big hill climber, but it just doesn't lend itself to our kind of riding, at least mounted on a one Ton.
Hey, it's snowing! Over 24inches in the last day!
Rode our turbo yesterday in 3 feet of powder. I dropped the suspension and adjusted the shocks to exactly match our stockers. It pulled hard and popped up the hills easilly, but would not lay nicely on its side while carving. Wanted to lay all the way over. Decided to start pulling the turbo off it while the engine is still intact and my race fuel cans are empty. I can see it being sick fast for a trail rider or a big hill climber, but it just doesn't lend itself to our kind of riding, at least mounted on a one Ton.
Hey, it's snowing! Over 24inches in the last day!
