Big Bore Reliability
Dec 28, 2004 | 03:26 PM
#1
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Trailblazer
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Big Bore Reliability
I'm toying with the thought of getting the Four Stroke Tech 265cc big bore kit for my LT230S Quadsport..... I was wondering how reliable these kits are. I know that FST has an awsmoe rep for building great engines... Oh yeah, I know the kit itself costs $250, but how much would it for to install the big bore kit?
Dec 29, 2004 | 10:23 PM
#2
Range Rover
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Big Bore Reliability
ive got a mojave 93 model 250 and ive checked on big bore kits for it and the cheapest that ive found with all hardware including the head or jug which ever you want to call it but for no less then 600 bucks and well the thing im worried about is this.... on your stock jug if the side walls get ridges or scaring by chance from the rings then you can get it bored and honed but the big bore kits well can you hone and bore them or if somthing happens do you have to buy another kit and so on to fix the problem ?
Dec 30, 2004 | 05:12 PM
#3
Pro Rider
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Big Bore Reliability
No. Just like a factory cylinder, you can bore them if somthing goes wrong. For example my 240 big bore kit can be bored 3 times before I would need to replace the sleeve. Odd's are you will never need to use the extra bores unless you didn't take care of it the way you should.
A Big bore, if done right can be just as reliable as the stock form. Really all it is, is a larger piston in a bigger sleeve. If you take care of it just as you would with the stock one then it will last just as long.
A Big bore, if done right can be just as reliable as the stock form. Really all it is, is a larger piston in a bigger sleeve. If you take care of it just as you would with the stock one then it will last just as long.
Dec 30, 2004 | 06:53 PM
#5
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Big Bore Reliability
I know a machine shop that has a top level pro out west riding an LT. He raced one for at least five yrs.. He is now on a YFZ. His shop has been boring and porting for 30+ yrs.. Can't beat the advise of a shop that lived and died on an LT every week at the races. He won many many races against the sea of red..
Dec 30, 2004 | 09:01 PM
#6
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Big Bore Reliability
Originally posted by: motox26
I don't think you can bore out a 440 sleeve for a 400ex. Does anyone no for sure?
I don't think you can bore out a 440 sleeve for a 400ex. Does anyone no for sure?
Dec 31, 2004 | 03:24 PM
#7
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Trailblazer
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Big Bore Reliability
hey Sandgod... whats the name of the shope that had the racer riding an LT.. and was the LT a quadsport or quadracer?
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Dec 31, 2004 | 06:46 PM
#8
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Big Bore Reliability
It was an LT 250 Quadracer.. He had it decked out. He races the Glen Helen Circuit and will race every Worcs race this season.. His name is Dave Lindsay. They have a shop called Lindsay machine.. If you want the number I can look it up..
Dec 31, 2004 | 08:25 PM
#9
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Big Bore Reliability
Originally posted by: Sandgod
It was an LT 250 Quadracer.. He had it decked out. He races the Glen Helen Circuit and will race every Worcs race this season.. His name is Dave Lindsay. They have a shop called Lindsay machine.. If you want the number I can look it up..
It was an LT 250 Quadracer.. He had it decked out. He races the Glen Helen Circuit and will race every Worcs race this season.. His name is Dave Lindsay. They have a shop called Lindsay machine.. If you want the number I can look it up..