- 840 teryx v/s 1000 can-am
- Not impressed for the $$$
- Need your pics
- What is that noise?
- oiling the stock air filter?
- Looking for MSD Map....
- Truth about FST 840's
- YFZ Siphon Break Questions
- Loud clunking noise?
- Lookin for used Muzzy exhaust
- Oil Temps?
- Selling aftermarket products at the lowest prices
- NEW intake system
- New 08' EFI system
- new 840 BBK not starting
- Getting ready for the 840
- Pouring White Smoke
- throttle body's???
- Any problems with the unifilters?
- Whisper MAP needed
- 67 mph ????????
- Just wondering
- FST pedal wont idle
- What mods should I do next to gain the most HP?
- 750bbk ?
- F.I Maps
- Broken bolt on engine cap
- more 840 tuning...?
- Why won't this work?
- camshaft install question
- Which is intake and which is the exhaust
- Best bang for the buck bolt on performance
- FST Std Bore Came in today.
- Bored Throttle bodies
- The first 1000 is ready
- Air/fuel #
- 840 Forward Motion No Longer
- Installed standard Muzzy
- muzzy install help
- Ported water pump covers
- Bigger injectors?
- Primary clutch torque?
- After Market Carbs
- DYI Muzzy Pro Install and Custom Shift Knob
- Best pricing on MSD,Dalton and both Muzzys.
- Lookin for the best.....
- Compression testing?????
- HW MSD ?'s
- dragonfire 750 bbk
- 38mm vs 46mm throttle body
- Muzzy Whisper Core Video
- Lots going on at FST
- Muzzys pipe testing on stock,std bore kit and 840's
- YFZ Catch Can fix
- The BBD on the BBK SALE!
- 840 bbk second ride
- Need a fix for over heating.
- Four Stroke Tech needs a 09' test UTV.
- Peak HP/RPM
- Muzzys pipe orders
- 39 fcrs?
- carb springs?
- JE pistons
- Bore kit install instructions???
- Mickey wants a new truck SALE!
- FUNDYS new kits?
- FST jetting?
- 5 belts four trips!!!!! Suggestions PLZ?
- Front carb over 16 on air fuel gauge
- MSD FI controller
- FST 840 It's Alive!!!!!
- Jetting Help!
- Las vegas 840
- Muzzy tension springs
- Tire upgrade questions
- Anyone know if the Pro Circuit Dual t-4 Exhaust is any good or too loud for a teryx?
- Dial-A-Jet
- Muzzy exhaust
- 840 vs prowler 1000 results..
- Pro Circuit exhaust any good? Look at video
- miss again on my teryx?
- new teryx owner
- Please help me make a map of what I want/need to do
- Vfj clutching 65 mph with picture
- YFZ Siphon Break Problem
- Performace parts???
- Evans waterless coolant?
- muzzy pro wrap ?
- Upgrades
- cam???? any suggestions
- Need a quick answer on air fuel readings
- more air fuel readings on 840....
- 840 results with dalton kit...
- how to disconect the engine brake?
- dalton clutch kit questions?
- Valve Job
- looking for fundy standerd bore pistons to buy
- Hunterworks Air filter kit - HELP!!
- K2 Intake
- Dasa vs muzzt pro
- Kawasaki V-twin cylinders
- 2008 Teryx CDI question
- Hunterworks MSD Attn: Todd
- 840 valve specs?
- Mods, comparison results. feedback
- Daulton spring in stock clutch?
- vfj clutch
- air fuel readings on 840....
- More jetting questions
- lm-1 meter...tips?
- MSD fuel map question?
- Open Filter Carb Tuning
- MSD Mapping.
- dalton tuning help, looking for input
- 840 benchmark kit
- Problem with MSD ???
- How many paddles
- Skat-Trak Extreme ... Best Price?
- Steering ratio
- What oil and filters you guys using????
- which oil for unifilter
- Muzzy or Muzzy Pro
- BF 750 Bevel gears in Teryx???
- dyno tuning close to eastern ky?
- Anyone been inside a teryx exhaust?
- Price on 840 kit
- problem with FST 840..?
- HMF Swamp XL series
- Exhaust... To Wrap Or Not To Wrap... That Is The Question!!!
- clutching for 840?
- Welded cams, myths busters
- a/f guage??brands
- Carb and Throttle body flow test
- Need advice ASAP
- Nitro Teryx
- Snow mobile engine in Teryx
- Ready to buy parts. Wanna make sure and get the right ones.
- Tachometer
- engine ice anyone?
- Best mods for 2009 EFI, need speed and performance
- $ low buck cnc porting $
- std bore install?
- 2009 Teryx Mods - Need Help
- Dynatek DFS2-19
- Four Stroke Tech engine kits
- YFZ Siphon Break Bracket
- Standard bore fact
- 750 engines
- AMR engine kits
- Gearing?
- the dreaded popping at idle
- need a new battery
- PCV valve on breather hose????
- engine builders on 840?
- 840 questions???
- whisper core with 840
- Muzzy Whisper core cost
- is it worth just changing clutch springs?
- yfz puke tank?
- Float Bowls....
- Looking for advice on cdi and clutch.
- 2 main jets?
- Standard bore wisdom from me and you
- STD. Bore kits/?
- Sorry,new spyware
- stock clutch with 840?
- which wheel combo
- clutch ?
- New and need some suggestions please
- muzzy performance?
- Who sells complete kits?
- 8-12" slush pooor performance
- Plenum Design
- location of intake
- sending back cores to fst?
- What mods for steep hills and mud?
- EPI Clutch kit, which one?
- which cdi for a modded teryx?
- Water pumps built in the USA
- Almost a full report on 840 tuning............
- pictures of airbox lid mods?
- need jets?
- 08 Teryx (((lets make it FAST!!!)))
- Dynatek Programable CDI
- DASARACING MSD testing and more
- Two brothers pipe question
- White smoke''''...
- Teryx back from HW - Completely new Machine!
- Is there a clear winner among paddles?
- Jardine exhaust
- airbox ring for clamp on filter?
- 09 air filters?? paper??
- Intake Mod ?'s
- Will you recommend this?
- Southern Illinois 840 Install
- Completed and ready to tear out agian!!!!!!!
- YZF Catch Can - Part number??
- which injectors for efi?
- is the can am gonna kick my AAA?
- vendor bickering & thread hijacking!
- FST closing it's doors!
- To all of you that voted for FST
- Need argent HELP
- performance combo
- Dynatek CDI and tip going lean?
- teryx mods
- Muzzys Teryx pipes $739
- Teryx springs and belt for tires
- Doing my own Porting
- Can't get any pics too load
- standard bore jetting
- Any 900cc+ teryx's out there?
- paddles or tires?
- Engine builders, you done this?
- 2009 EFI Teryx Fouling Plugs?
- Dragonfire Racing New Teryx Motor Mod’s
- MSD Ignition suppliers
- $5000 for a rebuild?????
- Oil and Temp gauges
- cure for 840 blowing oil?
- MSD Fuel Maps.share um here.
- For you 840 guys
- Air box??
- carbs or efi?
- 2009 Teryx MSD
- Best place to buy tires?
- New Guy Needs Help with Performance Mods.
- Clutch tools - Required?
- airbox mods for 840?
- Bored out throtle bodies
- Hot coils
- fst std bore vs fst 840
- All Gear Heads
- Weller 750 std bore kit or 820 bore kit
- Cotton gauze filters VS. Foam filters which works better???
- Real power wheelie
- clutching for 840 with ebs?
- MSD Setup
- Killer 840 kit sale
- 08 carb questions?
- std bore upgrade
- MSD and 2010 Teryx?????
- Fundy Performance kits
- what to buy for my 09 teryx: msd or PCV
- changing a carb 08 to a fule injected
- anybody got a crank???
- HW Intake adapter fits all year modles
- muzzy pro on stocker..help!!
- Msd for 840
- 840 teryx vs stock 08 brute 750?