carb Q's

[bootz1981]

im looking at a husky501with efi for a snow bike, but I hear alot of talk about how awesome the te300, lighter ,nimble I get why people like the 2t but I don't wana screw with jetting, is there a "bolt on" like the old holtzman atacc for a 2t bike, I also hear a lot abut smartcarbs but don't have the foggiest of a idea about one. im not a jetting guru but know the basics, well enough to get myself in trouble. I don't race or nothing, just like to tootle around in the summer up in the hills. never road a snowbike so just getting a hearsay feel for the "in's" of it all

 

[wwillf01]

im looking at a husky501with efi for a snow bike, but I hear alot of talk about how awesome the te300, lighter ,nimble I get why people like the 2t but I don't wana screw with jetting, is there a "bolt on" like the old holtzman atacc for a 2t bike, I also hear a lot abut smartcarbs but don't have the foggiest of a idea about one. im not a jetting guru but know the basics, well enough to get myself in trouble. I don't race or nothing, just like to tootle around in the summer up in the hills. never road a snowbike so just getting a hearsay feel for the "in's" of it all

I have 1 lectron and 2 Smart carbs... for me they work great.... there is enough info on here to get them set up right you will just have to request the right rod... which you will have to change 1 for the snowbike and one for dirtbiking... at the end of the the fe501 will have way less tinkering and I would have went that route if I had the money. ... I ended up using a cr500..

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[Rush44]

That 501 Husky makes a great snowbike. Everyone I know who has one really enjoys it. I don't like fussing around with carbs and carb heat since I'm more of a computer guy anyways so hooking up a fuel controller is way easier for me. But in all reality it's not needed, just a nice extra if you have a desire to better know and control AFR.

 

[bootz1981]

im way leaning to the 501 but I hear people talkin about hard starting, or fussy starting 4s, are they really that bad? I havnt owned a bike since the bad *** 1999 yz 125 hit the show room, and that was my only 2s. im assuming that any bike now is 2 or 3 times any of the bikes I had. I like e start but they both have it, I love efi ( less screwing round) that's why I want the 501, but ive never road one in 20 degrees or 4 ft of power, hopefully!!!

 

[n16ht5]

I had my 87 cr250 from sea level to 9,800ft with the same jetting, no hiccups or any problems. The carb squabble you hear on this site is from people who don't know how to jet them appropriately. I had my carb freeze once, I just chipped the ice off with a screwdriver and kept riding. I have a YZ450 but if I did it again I'd go 300 husky

 

[backcountryislife]

Just had my second day on my TE300.

First day was jetted for zero
Friday it was close enough to perfect that I could leave it there and not touch it again.
Jetting is pretty easy man.

 

[wwillf01]

Just had my second day on my TE300.

First day was jetted for zero
Friday it was close enough to perfect that I could leave it there and not touch it again.
Jetting is pretty easy man.

All I know is that my ktm 300 came jetted so rich and poor that it felt like half the horsepower was there... again I think the altitude you ride makes a big differences and mods... no one I have rode with on a two stoke had a good running machine for more than a 5000 foot spread.. and thats pushing it but I am pretty picky..

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[Rush44]

Yea the 501s can be a real b1tch to start sometimes. I've heard guys that had to hold the starter button for 3 seconds sometimes.... Ruins the day for sure

 

[the gman]

I have been on both a ktm 450 and a 300 two stroker. If you can try them both. I am currently riding a 300 and love it. It feels lighter than the four stroke, but with that being said, in straight up conditions the four stroke gets the advantage. I have not found a place the four strokes can go that I cannot get to, and the fun factor of the 300 ,for me, is well worth the giving up the straight up performance. As far as tuning, I have tried the cast and billet smart carb, and from idle to 3/4 throttle it is amazing, but I have had wide open lean issues. Also carb ice was a problem that has been corrected with the avid heat collar. I ended up running a lectron 38 carb on my modded 300 and my wide open temps are under control and it works fantastic. I start out at 3000 feet and ride up to over 7000 and the flat needle design compensates to altitude and temperature changes, with no carb changes needed. Try to try both four strokes and the two stroke. Either is great. Hopes this helps you. Garry

 

[the gman]

Also don't be afraid of a four stroke Efi starting. On any bike you should put a thermostat on it and some shielding to keep snow from cooling the motor. My kx 450 seemed to go full rich when cold, below 20 degrees, the ktm 450 f seemed to be the most forgiving to cold weather, and so far this year the yz450 did good on not going full rich and diluting the oil with gas. There are a lot of sensors on the Efi bikes though and that spooks me, but they seem to hold up

 

[Rush44]

My kx 450 seemed to go full rich when cold, below 20 degrees, the ktm 450 f seemed to be the most forgiving to cold weather, and so far this year the yz450 did good on not going full rich and diluting the oil with gas.

100% agreed Gary. The KX was the WORST when it got cold out. I remember my AFR gauge buried in the rich side below 9 AFR and didn't even rise out at WOT. Solved the mystery why I always got gas in my oil on that bike. The SXF has been a dream compared to it in that department. Otherwise the KX is still a great bike minus the air forks.

 

[bootz1981]

i appreciate the responses and the info.

 

[mrquick68]

That 501 Husky makes a great snowbike. Everyone I know who has one really enjoys it. I don't like fussing around with carbs and carb heat since I'm more of a computer guy anyways so hooking up a fuel controller is way easier for me. But in all reality it's not needed, just a nice extra if you have a desire to better know and control AFR.

for the record, I had a 2014 FE 501 Berg, which is the same bike as the Husky, and i wasn't a big fan of it as a snow bike. I think the fatal flaw though was me. I liked the ST more than the LT, and the 501 torque just seems to work better with the LT. This year i'm building a ripper 450SXF with the ST instead. Wasn't ready for the monkeying of a 2T at this point (maybe my mind will change in a few years???)

If you go LT, you won't go wrong with a 501. Very plug n play, but also not very exciting... Slow revving and wide gear spacing kinda dull the fun a bit. A bit heavy too. It will go anywhere though, and its great for access - I just wanted more excitement out of my setup.

Hope this info helps.

oh, and one time it was a total Beotch to start. It was minus 10 out and my bike had sat in my trailer all night. It wouldn't turn over with the battery and i couldn't get it to fire with kick starter either. Plugged in the SOL battery pack and she fired right up! Scary!

 

[slash]

just get the 501 nothing beats BB4stks and the EFI makes it sweet

 

[Wheel House Motorsports]

Having rode both 300's and some 450's I can say its more just picking what kinda guy you are. The lightly modded 300's have the upper hand for fun factor, they are just a lot more nimble and man I do enjoy just flicking the throttle and listening to the 2 stroke crackle and sing. If your someone that is not a tinkerer, doesn't really understand jetting/tuning don't get one. They are by no means what I would consider "finicky" but they do require a little setup and if you just slap a kit on and go ride deep snow I don't think you will be very impressed with it. Setup proper with some shrouding and a few mods they are a hoot. I still hate the 2 stroke vibration. Just got done working on a 300 and ripping it up and down the street and my hands are still tingling. This is really the only complaint i have about 300's. The newer 450's flat rail. I just picked up a 14 yz450 and got it out once this spring on snow and it just hauls the mail. They definately not quite as playful compared to the 300 but its still a snowbike. only like 100x more nimble then a sled. Slap a t-stat and a skid plate to keep the motor warm and the 4 stroke is gonna pull the 300 anywhere. Your never gonna go where they can't but just not quite the jam. Not questions asked. More just a question of what you like!

If you like to just sit back and roll on the throttle the 501 would be my choice every day. If your a bit of a high strung tweaker like me, I will admit, ripping the 300 on snow makes me giggle nonstop.