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F4i track bikes

  #1  
Old 03-17-2015, 01:08 PM
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Default F4i track bikes

Exactly what the title says. Let's see your bikes and a description of mods done. What are the things you like and don't like about the bike on the track? What are your future plans for your machine?
 
  #2  
Old 03-17-2015, 09:35 PM
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Posting my F4 if that's ok.

Too many mods to list on this one but mainly a 1000rr front end and jet kit.
Bike is ok on the track. Only went a few times and just recently got the suspension set for me so hopefully it feels better this season.

I get passed on the straights by 1000's and new 600's but that's nothing i'm concerned about. Just a little down on power i suppose. I have done everything I want to do to it at this point so eventually I will get something newer. I will always keep this one though

 

Last edited by 99cbrf4600; 03-18-2015 at 09:43 AM.
  #3  
Old 03-19-2015, 08:05 AM
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Originally Posted by 99cbrf4600 View Post
Posting my F4 if that's ok.

Too many mods to list on this one but mainly a 1000rr front end and jet kit.
Bike is ok on the track. Only went a few times and just recently got the suspension set for me so hopefully it feels better this season.

I get passed on the straights by 1000's and new 600's but that's nothing i'm concerned about. Just a little down on power i suppose. I have done everything I want to do to it at this point so eventually I will get something newer. I will always keep this one though

Great looking machine you've got there. I've seen a couple F4's out on the track in the past. For older bikes they hold their own for the most part. I've got a buddy with a 250. He's gets smoked on the straights but blasts by all of us in the turns. The bike is so light he can throw it wherever he wants it seems. Fun times.
 
  #4  
Old 03-19-2015, 02:36 PM
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I don't think very many people track f4i's anymore. There are must too many cheap RR's out there. I took mine at least 4 times. The stock frontend was sprung for a child, the steering is as mild as a harley, the pegs hit sooner then they should, and there is no leg lock to speak of. I was able to fix all but the leg lock situation and really enjoyed my time out there with it.
 
  #5  
Old 03-20-2015, 10:06 AM
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Yeah you don't see as many as you used to. Was just curious what was out there.
 
  #6  
Old 03-22-2015, 09:33 PM
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I do track days but it's a street bike.
In terms of what I've done to it... nothing too major. (PCV, Dynotune, respring and revalve kit on forks (GP Suspension), shim rear shock, street tires, braided lines, CL brake pads. slip-on exhaust, K&N air filter)

What I like? It's comfortable for the street but still capable of going fast (enough for me anyways) on the track. Also love how reliable she is and easy and predictable to ride.

What I don't like? It's a little down on power compared to the other modern supersport manufacturers. I think this is the case for CBR 600s in general though since I've been on the track with 600rrs and we're neck and neck while going down the straight. Still fast enough for me though. Stock geometry is also a bit sluggish but a shim in the rear helps with that.

 
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