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Author Topic: Suzuki EFI 2T  (Read 17235 times)

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Offline SachsGS

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Suzuki EFI 2T
« on: February 17, 2013, 03:30:12 PM »
Took a drive yesterday to pick up some bike parts and the young lad showed me his new Arctic Cat snowmobile. The sled is powered by a twin cylinder 800cc Suzuki EFI 2T and it amazed me - the motor was small enough to fit on a large dinner plate, had servo guillotine powervalves and a great big expansion chamber with an O2 sensor sticking out of it. The intake was hidden by plastic but it looked like case reed induction. The compactness and light weight of the motor allowed the Arctic Cat designers to build a really slim sled with gobs of suspension travel and it is a work of art.

Please note that this is a Japanese Suzuki EFI  2T. The owner said the motor was very smooth, very powerful and fuel efficient. Electronics are cheap , the motor was volume wise almost as compact as a 250 4T and it really got me thinking. Imagine if Suzuki built a new RM250 using this technology, it could be as tiny as a 125 and would only cost a fraction of what it costs to produce a 4T. They could do it right now.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline eprovenzano

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« Reply #1 on: February 17, 2013, 04:02:58 PM »
Why would Suzuki want to do that...  they are already selling sooooo many RMZ's that they can't keep them on the floor...   :-[

OH that's right, they have warehouses full of unsold RMZ's...   :o
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline beaner

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« Reply #2 on: February 17, 2013, 04:46:14 PM »
It looks like they've been building them like that for almost 10 years. They also have a 500 FI 2 stroke that makes over 80 hp.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline ford832

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« Reply #3 on: February 17, 2013, 05:38:12 PM »
Oh Sachs,you're so 2002.  :P That was the first year of Bombardiers SDI.
That's why I shake my head when people go on about the mysterious DI that will never happen.It's been commonplace and proven in snowmo's and outboards for years.
The twins are compact of course there's no internal trans or clutch involved.600cc snowmo's have been floating around the 110hp figure for years.
My last sled before the current yamaha was a Cat ZR900 and stock was good for 150 hp.As completed,it was slightly over 165.I had the dyno sheet somewhere.....
Anyway,the technology is there-and has been for years.Someone just needs to step up.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline Lolerbabop

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« Reply #4 on: February 17, 2013, 09:09:39 PM »
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline ford832

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« Reply #5 on: February 18, 2013, 11:54:16 AM »
I had to look that up to see what it meant. ;D
It would cost no more than what it cost to FI a 4t,but unless the # of units sold approached the 4t level,itlikely wouldn't be worth it.
Maybe some are waiting for BRP's patents to come off.I know Polaris traded some tech with Ski-Doo.I forget who was first with the electro reverse(just electronically adjust the timing to spin the engine backwards-much better than gears etc.)I'm thinking maybe Polaris traded Perc for some DI tech or something.
Regardless,it's here,has been for years(even in outboards so size is no issue)is proven and bulletproof.
Who will be the first? Yamaha sometimes pulls something like this out of their hat but I'm betting the bean counters wouldn't allow it.More likely would be one of the small Euro's for a test bed.Maybe Husky now or GasGas.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline VintageBlueSmoke

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« Reply #6 on: February 18, 2013, 01:37:03 PM »
If it is so small and compact...why not stick it in one of these FAT aluminum frames and race MX3?

 :P
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline ford832

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« Reply #7 on: February 18, 2013, 01:43:37 PM »
Good idea 8) The problem is,it's not a retrofit,it's an internal engine design.The biggest part would probably be a CDI sized ECU.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline SachsGS

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« Reply #8 on: February 18, 2013, 03:10:08 PM »
I'm thinking more 800cc dual sport (seriously).

All the 2T German micro cars of the 50s had the ability to spin the motor the other way to back up.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline citabjockey

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« Reply #9 on: February 18, 2013, 04:10:42 PM »
Seriously? a 800cc, 270 lb 160+ HP dual sport? You could never crack the throttle over 1/4 in the dirt!


Quote from: SachsGS on February 18, 2013, 11:10:08 PM
I'm thinking more 800cc dual sport (seriously).

All the 2T German micro cars of the 50s had the ability to spin the motor the other way to back up.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline VintageBlueSmoke

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« Reply #10 on: February 18, 2013, 04:49:29 PM »
Quote from: citabjockey on February 19, 2013, 12:10:42 AM
Seriously? a 800cc, 270 lb 160+ HP dual sport? You could never crack the throttle over 1/4 in the dirt!



Oh yes I would!!!

 >:-D
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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08 Speed Bird Quad 110, 08 KTM 144, 04 Suzuki LT-Z400, 03 Gas Gas EC, 300,97 Honda CR144, 96 Husky Boy 50, 88 Husky 400WR, 86 Honda CR125R, 80 Can-Am MX6 400, 75 Husky 360CR, 75 Husky 175CC, 73 Penton Jackpiner 175, 72 Husky 250CR, 72 Husky 125, 72 Rickman-Zundapp 125, (2) 71 Bultaco Pursang Mk

Offline ford832

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« Reply #11 on: February 18, 2013, 05:32:18 PM »
Quote from: VintageBlueSmoke on February 19, 2013, 12:49:29 AM
Quote from: citabjockey on February 19, 2013, 12:10:42 AM
Seriously? a 800cc, 270 lb 160+ HP dual sport? You could never crack the throttle over 1/4 in the dirt!



Oh yes I would!!!

 >:-D

Damn straight.  8)


I think the only relevant question with DI is why anyone would want to bother.4t's are accepted and enough time has passed that many young people coming up to the pros don't know anything else-and wouldn't want to ride a 2t anyway other than just to try it.
I'd be interested to know the average age of all site members here.I'd be willing to bet it's not 18-25.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline citabjockey

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« Reply #12 on: February 18, 2013, 06:08:11 PM »
Quote from: ford832 on February 19, 2013, 01:32:18 AM
Quote from: VintageBlueSmoke on February 19, 2013, 12:49:29 AM
Quote from: citabjockey on February 19, 2013, 12:10:42 AM
Seriously? a 800cc, 270 lb 160+ HP dual sport? You could never crack the throttle over 1/4 in the dirt!



Oh yes I would!!!

 >:-D

Damn straight.  8)


I think the only relevant question with DI is why anyone would want to bother.4t's are accepted and enough time has passed that many young people coming up to the pros don't know anything else-and wouldn't want to ride a 2t anyway other than just to try it.
I'd be interested to know the average age of all site members here.I'd be willing to bet it's not 18-25.

Yes, I would think the average age exceeds that by a few years (decades?). Probably right in between vital and "steamenginemotocross.com"   ;D


« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline ford832

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« Reply #13 on: February 18, 2013, 06:50:44 PM »
  ;D
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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Offline motoxr377

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« Reply #14 on: February 18, 2013, 11:32:10 PM »
I'm 26, and have owned 5 RM125's, 2 RM250's, 2 RD400's, an RZ350, a '00 Montesa, and a YZ125 (and some other stuff).  I owned (via parents) an XR100, and that's my only 4t.
« Last Edit: December 31, 1969, 04:00:00 PM by ' »
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