When will the YZ250F get EFI?

Black Diesel Bomber
Edited Date/Time 11/17/2012 2:44pm
Any rumors on this?
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mtl
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mtl 11/15/2012 12:16pm
11/15/2012 12:16pm
Black Diesel Bomber wrote:
Any rumors on this?
I think Rinadli Yamaha has developed EFI and has been using it in Europe for a couple of years.
dirtorsnow
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dirtorsnow 11/15/2012 12:19pm
11/15/2012 12:19pm
There's teams overseas running efi versions, but they're works bikes. Yamaha has the tech, but maybe its a cost thing.
mjw612
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mjw612 11/15/2012 12:27pm
11/15/2012 12:27pm
Next year I would say they will be here in the states.
twosmoke30 11/15/2012 5:35pm
11/15/2012 5:35pm
well they haven't done anything on ANY of their bikes for a few years, so something will happen soon, whether its efi or not updates will be coming

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EastFlorida
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EastFlorida 11/15/2012 6:24pm
11/15/2012 6:24pm
When their volume falls below a certain level, they update their products. No need to add cost and reduce profit by adding tech when what they have is selling. Once that threshold is reached, you'll see an update. Yamaha doesn't care that someone has something they don't until sales fall too low...
rmpilot
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rmpilot 11/16/2012 4:23am
11/16/2012 4:23am
EastFlorida wrote:
When their volume falls below a certain level, they update their products. No need to add cost and reduce profit by adding tech when what they...
When their volume falls below a certain level, they update their products. No need to add cost and reduce profit by adding tech when what they have is selling. Once that threshold is reached, you'll see an update. Yamaha doesn't care that someone has something they don't until sales fall too low...
thats just smart business
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enginedr 11/16/2012 5:26am
11/16/2012 5:26am
recipe for new engine - make us a reverse port, 4 valve 2 cam with efi , & some bigger lifters please and keep it under 8k$.. scale down the 450 engine ??
JBlain619
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JBlain619 11/16/2012 5:51am
11/16/2012 5:51am
I bet a team in the US uses it by the outdoors!!! hehe
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FGR01 11/16/2012 5:56am
11/16/2012 5:56am
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the hassles of EFI. The honest truth is that 95% of people who own MX bikes would be better off with a carb.
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pitbike502 11/16/2012 6:00am
11/16/2012 6:00am
FGR01 wrote:
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the...
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the hassles of EFI. The honest truth is that 95% of people who own MX bikes would be better off with a carb.
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ 250f or new version might be the best idea for a new rider because they havent changed anything on that bike, everything is cheap, and theyre friendly to ride. just my .02
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SwapperMX 11/16/2012 6:28am
11/16/2012 6:28am
FGR01 wrote:
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the...
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the hassles of EFI. The honest truth is that 95% of people who own MX bikes would be better off with a carb.
I completely agree with you, and am still riding a carb'd Yam, but it seems like everyone has to have the latest technology, and when they look at what is involved to get at that carb to jet it, well it is sorta understandable. I think it will be interesting to see what Yamaha do as far as new releases go for next year. If there is an injected 250f available before the nationals role around, I will be very surprised.
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FGR01 11/16/2012 6:34am
11/16/2012 6:34am
FGR01 wrote:
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the...
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the hassles of EFI. The honest truth is that 95% of people who own MX bikes would be better off with a carb.
pitbike502 wrote:
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ...
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ 250f or new version might be the best idea for a new rider because they havent changed anything on that bike, everything is cheap, and theyre friendly to ride. just my .02
EFI is far from idiot proof. The fact is that fuel filters, fuel pumps, injectors, throttle bodies, MAP sensors, IAT sensors, TPS sensors, ECT sensors, capacitors, rectifiers, regulators, ECM's, and wiring harnesses with numerous multi-pin connectors do not deal well with dirt, mud, vibration, and constant washing from pressure washers.

How many times have you tried to troubleshoot, diagnose, and repair an EFI prob on one of these new bikes? It is a nightmare compared to cleaning out a clogged pilot jet. Oh, and a jet costs $3. A new throttle body is about $500.

Like I said, EFI has it's benefits, but I honestly think 95% of riders are better off with the benefits of a carb, But of course no one is going to admit that. Always got to have the latest and greatest.
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CRFracer117 11/16/2012 7:13am
11/16/2012 7:13am
FGR01 wrote:
EFI is far from idiot proof. The fact is that fuel filters, fuel pumps, injectors, throttle bodies, MAP sensors, IAT sensors, TPS sensors, ECT sensors, capacitors...
EFI is far from idiot proof. The fact is that fuel filters, fuel pumps, injectors, throttle bodies, MAP sensors, IAT sensors, TPS sensors, ECT sensors, capacitors, rectifiers, regulators, ECM's, and wiring harnesses with numerous multi-pin connectors do not deal well with dirt, mud, vibration, and constant washing from pressure washers.

How many times have you tried to troubleshoot, diagnose, and repair an EFI prob on one of these new bikes? It is a nightmare compared to cleaning out a clogged pilot jet. Oh, and a jet costs $3. A new throttle body is about $500.

Like I said, EFI has it's benefits, but I honestly think 95% of riders are better off with the benefits of a carb, But of course no one is going to admit that. Always got to have the latest and greatest.
Idiot proof and cheap, I think that bike having a soon to be 13 year old power plant, EFI should be the least of Yamaha's worries, but then again they have no Factory Team, little support and few bikes on the track, no R&D to any of there lines(except a failed 450) looks to me like they could care less about MX.
Lawrence929 11/16/2012 7:14am
11/16/2012 7:14am
FGR01 wrote:
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the...
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the hassles of EFI. The honest truth is that 95% of people who own MX bikes would be better off with a carb.
pitbike502 wrote:
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ...
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ 250f or new version might be the best idea for a new rider because they havent changed anything on that bike, everything is cheap, and theyre friendly to ride. just my .02
FGR01 wrote:
EFI is far from idiot proof. The fact is that fuel filters, fuel pumps, injectors, throttle bodies, MAP sensors, IAT sensors, TPS sensors, ECT sensors, capacitors...
EFI is far from idiot proof. The fact is that fuel filters, fuel pumps, injectors, throttle bodies, MAP sensors, IAT sensors, TPS sensors, ECT sensors, capacitors, rectifiers, regulators, ECM's, and wiring harnesses with numerous multi-pin connectors do not deal well with dirt, mud, vibration, and constant washing from pressure washers.

How many times have you tried to troubleshoot, diagnose, and repair an EFI prob on one of these new bikes? It is a nightmare compared to cleaning out a clogged pilot jet. Oh, and a jet costs $3. A new throttle body is about $500.

Like I said, EFI has it's benefits, but I honestly think 95% of riders are better off with the benefits of a carb, But of course no one is going to admit that. Always got to have the latest and greatest.
That's a really interesting way to look at it. I guess IF or WHEN you do start to have EFI problems... it would suck. Good point.
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mtl 11/16/2012 7:33am
11/16/2012 7:33am
1) I dont think eleven10 will run EFI because it will violate the production rules

2) Carbs and the bog o doom on 250F's are what make EFI the best choice for
a novice rider, shit its the best choice for anyone who likes the bike to keep going
forward when the land a big jump.
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newmann 11/16/2012 8:30am
11/16/2012 8:30am
FGR01 wrote:
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the...
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the hassles of EFI. The honest truth is that 95% of people who own MX bikes would be better off with a carb.
pitbike502 wrote:
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ...
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ 250f or new version might be the best idea for a new rider because they havent changed anything on that bike, everything is cheap, and theyre friendly to ride. just my .02
Idiot proof? Some people might consider that an insult. A full team of factory guys in panic mode thanks to the modern electrical wonders.

https://youtu.be/WSYgfvodutQ
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FGR01 11/16/2012 9:15am
11/16/2012 9:15am
Exactly. EFI cost Dungey that championship.

It is definitely more a matter of WHEN than IF an EFI prob will occur. Ask anyone who has ever chased their tail around swapping out parts that cost hundreds of dollars and they will tell you they wish they had a carb.

As for a carb bogging, careful tuning and careful application of the throttle basically eliminate that. I have a CRF250 and 450 here, both with carbs and neither has ever bogged. The last generation of carbs that Honda used from 2007 on was a dramatic improvement over the previous FCR's and they work very well. I can't say the same for the EFI on my 2012 CRF450. With the stock mapping and an aftermarket pipe it was so lean that it bogged. I had to choose between a $50 remap or buying the Honda remapping kit for $350 and doing it myself to eliminate the bog. A little more difficult than swapping a few $3 jets in a carb, huh?

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newmann
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newmann 11/16/2012 9:42am
11/16/2012 9:42am
Not to mention that little problem I heard of with a EFI fuel pump pickup being positioned too high up in the tank to pick up the last little bit of fuel needed to finish Freestone, if that would have even been enough with the stock size tank. I remember Dungey being quoted as saying that there was still fuel in the tank. Suzuki was quick to throw the fuel supplier under the bus over that then continued to use the same fuel. DNF, -25 points, no championship. How much did that cost Dungey? Or how much did it save Suzuki?
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GrapeApe 11/16/2012 10:00am
11/16/2012 10:00am Edited Date/Time 11/16/2012 10:01am
I wonder why KTM had to build a completely new bike with EFI in order to sign Dungey, you know since EFI sucks and cost him a championship and all?
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ATKpilot99 11/16/2012 10:26am
11/16/2012 10:26am Edited Date/Time 11/16/2012 10:26am
Black Diesel Bomber wrote:
How much weight does an EFI system add?
Most of the efi 250fs are around 10 + lbs. heavier than the Yamaha. The exception being Honda. More in the neighborhood of 5 lbs. I think.
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FGR01 11/16/2012 10:26am
11/16/2012 10:26am
I said 95%. Dungey is in that 5% that absolutely needs EFI to compete.

Do you drag a laptop to the track and have technicians remap your bike between motos?
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mmcmx 11/16/2012 10:55am
11/16/2012 10:55am
Damn. I must be the only one in the whole world that prefers carb over EFI on the 250. I almost bought a '12 kawi but when I tested my friends that thing was slow compared to my '10. Maybe they can make them faster on the pro level but as of stock...

It really bothers me since I dont know what to do. I dont want a 450 but changing my well trusted '10 kawi for a slower one just doesn't feel right.
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GuyB 11/16/2012 11:12am
11/16/2012 11:12am
CRFracer117 wrote:
Idiot proof and cheap, I think that bike having a soon to be 13 year old power plant, EFI should be the least of Yamaha's worries...
Idiot proof and cheap, I think that bike having a soon to be 13 year old power plant, EFI should be the least of Yamaha's worries, but then again they have no Factory Team, little support and few bikes on the track, no R&D to any of there lines(except a failed 450) looks to me like they could care less about MX.
You obviously know exactly how things work.
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newmann 11/16/2012 11:15am
11/16/2012 11:15am
mmcmx wrote:
Damn. I must be the only one in the whole world that prefers carb over EFI on the 250. I almost bought a '12 kawi but...
Damn. I must be the only one in the whole world that prefers carb over EFI on the 250. I almost bought a '12 kawi but when I tested my friends that thing was slow compared to my '10. Maybe they can make them faster on the pro level but as of stock...

It really bothers me since I dont know what to do. I dont want a 450 but changing my well trusted '10 kawi for a slower one just doesn't feel right.
Didn't the 13 model KX get the dual injector setup? That should solve most of the power issues the first round of injected bikes had I would think. As far as injection goes, if it's a simple system and works, no big deal. Adding five pounds .....that sucks though, the bikes are porkers. I myself still find a bit of therapy in getting a carbed bike jetted to run crisply. Also find a bit of frustration in it too!Laughing
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kijen 11/16/2012 11:26am
11/16/2012 11:26am
FGR01 wrote:
EFI is far from idiot proof. The fact is that fuel filters, fuel pumps, injectors, throttle bodies, MAP sensors, IAT sensors, TPS sensors, ECT sensors, capacitors...
EFI is far from idiot proof. The fact is that fuel filters, fuel pumps, injectors, throttle bodies, MAP sensors, IAT sensors, TPS sensors, ECT sensors, capacitors, rectifiers, regulators, ECM's, and wiring harnesses with numerous multi-pin connectors do not deal well with dirt, mud, vibration, and constant washing from pressure washers.

How many times have you tried to troubleshoot, diagnose, and repair an EFI prob on one of these new bikes? It is a nightmare compared to cleaning out a clogged pilot jet. Oh, and a jet costs $3. A new throttle body is about $500.

Like I said, EFI has it's benefits, but I honestly think 95% of riders are better off with the benefits of a carb, But of course no one is going to admit that. Always got to have the latest and greatest.
CRFracer117 wrote:
Idiot proof and cheap, I think that bike having a soon to be 13 year old power plant, EFI should be the least of Yamaha's worries...
Idiot proof and cheap, I think that bike having a soon to be 13 year old power plant, EFI should be the least of Yamaha's worries, but then again they have no Factory Team, little support and few bikes on the track, no R&D to any of there lines(except a failed 450) looks to me like they could care less about MX.
Yeah, I never see any Yamaha 250f's racing.....they are so slow tooSmile not too bad for a bike with a carb..., I wont even mention the one manufacture that is missingSmile


2012 Cold Cup
250 Pro - Class Finish Positions
Overall Nbr Brand Name Hometown Moto 1 Moto 2
1 #175 YAM COOPER WEBB NEWPORT, NC 1 1
2 #77 YAM PAUL COATES CAIRO, GA 3 2
3 #43 YAM LUKE RENZLAND HEWITT, NJ 4 3
4 #34 YAM CODY CHISHOLM SEMINOLE, FL 5 4
5 #18 KAW ERIC GOODSON CONNERSVILLE, IN 6 5
6 #29 HON JOSEPH DUKES MACON, GA 7 6
7 #37/ HON JORDAN HOOVER ORLANDO, FL 8 7
8 #414 YAM IAN CHIA MIAMI, FL 9 8
9 #593 KAW JEFFREY LEWIS JACKSONVILLE, FL 10 9
10 #32 KTM ROBBY RENNER MULBERRY, FL 11 10
11 #37 KTM DAKOTA ALIX JAY, VT 2 DNF
12 #28 KAW COLTON MCLEOD MYAKKA CITY, FL 12 11
13 #140 HON ANDREW DAGGETT WEST BOYLSTON, MA 15 12
14 #231 YAM JACK SIGISMONDI BROOKSVILLE, FL 14 13
15 #433 YAM BODIE COLANGELO TAMPA, FL 13 DNS
DNF #251 HON PUP WHATLEY HAINES CITY, FL DNF DNS
Black Diesel Bomber 11/16/2012 12:09pm
11/16/2012 12:09pm
Is the carb on the YZ250f a pain in the ass to get to (remove tank, seat, subframe, shock, etc) or can you access it fairly easy? If not too bad, I might go for one...I'm looking for a little flickable track bike with least weight possible.
Tres_Leonard
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Tres_Leonard 11/16/2012 1:35pm
11/16/2012 1:35pm
and not to mention, R. Sipes won a SX with it and had fast lap maybe 50 of the time..????

Carb bike must be slow and boggy.
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CocaineCrazy 11/16/2012 2:09pm
11/16/2012 2:09pm
FGR01 wrote:
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the...
Honestly, if I had a kid that was just getting into the 250F novice class I would consider the carb of the YZ250Fa bonus over the hassles of EFI. The honest truth is that 95% of people who own MX bikes would be better off with a carb.
pitbike502 wrote:
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ...
not necessarily; how many times have you jetted your carb? had bad gas clog it up? etc.. EFI is basically idiot proof. Choosing the 06-09 YZ 250f or new version might be the best idea for a new rider because they havent changed anything on that bike, everything is cheap, and theyre friendly to ride. just my .02
newmann wrote:
Idiot proof? Some people might consider that an insult. A full team of factory guys in panic mode thanks to the modern electrical wonders.

https://youtu.be/WSYgfvodutQ
Deano probably promised to never ride a Suzuki after watching this happenLaughing

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