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View Poll Results: Which Trimmer?
RedMax BC250 w/ Sthil Handlebars 3 10.00%
RedMax BCZ2401S w/ Sthil Handlebars 7 23.33%
Sthil FS80 & buy solid shaft 20 66.67%
Voters: 30. You may not vote on this poll

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Old 06-06-2009, 03:25 PM
genesis215 genesis215 is offline
LawnSite Senior Member
Join Date: Apr 2008
Location: Russellville, AR
Posts: 795
I have a 1-year old 4-MIX Stihl BR 600 backpack blower, and I just did a valve adjustment on it myself. It's very simple to do, and only requires the valve adjustment tool ($1), and the valve cover gasket ($3-4). The valves were just slightly out of adjustment after a year's time, and from what I have heard the 4-MIX trimmer engines don't get out of adjustment as easily as the blower engines. It only took about 15 minutes for me to do the whole procedure of taking everything apart, adjusting, and putting everything back together. I have heard it is supposed to be done once a year just to be safe. I am also ready to switch over to Amsoil Saber, so that I won't get any carbon build up. It has been run on Stihl Ultra until now, and hardly any carbon has accumulated, but the Amsoil is quite a bit better.

In the end, I think that the 4-MIX engines are highly reliable when maintained, and the maintenance is very minimal. If you read on this site, most people that have both the FS 80 and FS 90 or 110 say that the 4-MIX is way better than the 2-stroke FS 80. Much easier starting, a lot more torque, and isn't so loud. I have used both an FS 80 and an FS 110, and the 110 felt lighter than the 80 because it had good balance. The 80 is heavier in the line head end, making it highly unbalanced. I would recommend the FS 100RX, and put a solid shaft in it too. It's a VERY light trimmer, with excellent balance.
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Old 06-08-2009, 08:33 PM
offroadrider12 offroadrider12 is offline
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Join Date: Jun 2009
Location: Monroe, Michigan
Posts: 43
After going to the RedMax dealer, they had nothing in stock I liked. They didn't have a BC250 on the shelf either. The FS80 felt alright, but I just decided to get $80 worth of parts and completely rebuild the motor on the BC225 since I know I like it. Maybe I'll even do a little porting on the motor with a dremel.
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Old 06-08-2009, 09:07 PM
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DLAWNS DLAWNS is offline
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Join Date: May 2005
Location: Ocean County,New Jersey
Posts: 5,776
I voted for the 2401
Bill Depierro
Depierro Lawns Inc.
29 years old
11 years experience
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Old 06-08-2009, 09:14 PM
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starry night starry night is online now
LawnSite Silver Member
Join Date: Feb 2009
Location: Ohio's North Coast
Posts: 2,202
Bring back the FS 52 or 56 !!!! I know; I know they're many years old. But seriously, if anyone has one, I'd buy it in a minute. I've kept a couple of them going with rebuilding.
The 52 that I still have running probably has $400 in it by now.
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Old 06-08-2009, 10:42 PM
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ancjr ancjr is offline
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Join Date: May 2009
Location: Indiana
Posts: 173
I voted for the FS80, but I'd recommend the FS90.
2001 Ford Ranger XLT
6.5x12 Gatormade trailer
2007 Hustler Super Z 30/60
Honda HRX217K2HXA
Toro Recycler
Stihl BR600
Stihl KM90 + FCS-KM + FS-KM + HL-KM 135
Stihl MS180

That progressives and other collectivists can maintain with a straight face that “we are the government” while simultaneously maintaining that “a corporation is separate and apart from its owners” stands of one of the most glaring inconsistencies in their ideologies. -Robert Higgs
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Old 06-12-2009, 01:02 PM
Wizz Wizz is offline
LawnSite Senior Member
Join Date: Apr 2009
Location: Florida
Posts: 322
Originally Posted by bighaydenslawn View Post
I would suggest go with the Stihl FS90 (4-Mix) because...
Solid shaft.
Stronger than the 80.
Better emissions.
Sips fuel.
Same price.
They are discontinuing 80's b/c of the old 2-stroke design.

PM if you want to talk.
Agreed, FS90
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Old 06-13-2009, 04:07 PM
birdman0494 birdman0494 is offline
LawnSite Member
Join Date: Apr 2009
Location: orlando florida
Posts: 142
I dont wanna seem like a basher on you gusy but go look on stihl the fs 90 and fs 80 both have the same output! and did you guys ever notice that the 80 kinda looks like a 250 miniturized?
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Old 06-13-2009, 05:11 PM
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mowerdude777 mowerdude777 is offline
LawnSite Silver Member
Join Date: Dec 2008
Location: troy michigan
Posts: 2,673
The red max 2401 kicks ass
Ryan- 16 years old- 15 accounts-
Exmark Metro Hp 48
BillyGoat 33
Ferris 32
Toro 21
Redmax BCZ2401s, Redmax HE225f, Redmax EBZ7100 Kawasaki KRB300
1999 Honda Oddsey
6X10 trailer
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Old 06-13-2009, 05:31 PM
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redmax fan redmax fan is offline
LawnSite Senior Member
Join Date: Dec 2007
Location: southeast michigan
Posts: 824
Originally Posted by mowerdude777 View Post
The red max 2401 kicks ass
as you know ive been running the same whip 4 years ,
and carbon build in head is a problem . while so is
build up in carb . weve put in alot of carb kits and or
new carbs . so ive started reading on the topic and
asking questions and two things ive got to are :

SEA FOAM , to clean out carbon deposits in head , and keep carb jets clean

AMISOL 2 CYCLE OIL , to prevent carbon build up

* not started either yet but thought ide pass along the info .
we just bought 2 16 oz bottles of sea foam today from weingartz
and the guy keith that works the service desk said its great stuff
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Old 06-15-2009, 10:28 PM
offroadrider12 offroadrider12 is offline
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Join Date: Jun 2009
Location: Monroe, Michigan
Posts: 43
I completely rebuilt the BC225DL and she runs like a top! New piston & rings, gas cap, whole carb rebuilt, and I shaved the flywheel to make it lighter. All good now
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