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Posted by: ajo771
I have (2) 2001 Polaris Scrambler 90's for my kids. It's time to start modifying them to keep up with their riding skills. The 2001's had only about 2.2 inches of STIFF suspension, my kids biggest complaint. Drum brake are one of my complaints.
My question is, are these quads worth modifying? Should I be working with a different platform, or how about just buying a quad already modified?
I'm just looking to get better trail riding performance so what should mods should I be looking at first and what should I expect for a budget?
I was thinking new shocks all around, but I dont know about A-arms and swingarms ($500 shocks only vs.
$1500 complete suspension). With the engine I dont want to go full bore, not yet. I was leaning towards a air filter, exhaust system, carb jetting, and a clutch kit ($600-$700). Am I on the right track?
Also, my 6 year old son asked me to take him to the races to watch, because he thinks he wants to start racing. So I want mods done now to be upgradeable to race standards later (this is affecting my suspension decision- Works would be fine with the stock swingarm and A-arms for the trails, but if I am going to race I think that PEP or Elka is the way to go).
Any suggestion?
Posted by: ajo771
Yes, my son is 6. Also, if he wants to race I have to look at the size of the engine to keep him in age/size class. I'm already pushing it with a 6 year old and 90cc.
Posted by: ajo771
TRexTommy51;
My problem with these little ones is I dont know what to do or the stages to do mods in with the mini's. That's why I need help. Am I wasting my time and money w/ modifying a Polaris. I see I can buy fully modified quads, it seems this might be a less expensive way to go, but I like to do the work and learn. I was also hoping to share that with my son.
WRH:
Elka shock set $750
A-arms +2"&1" $375
swingarm +3" $325
--------------------------------
$1450
Peak powersports :
A-arms w/ elka shocks $1100
swingarm $ 450
-------------------------------------------------
$1550
Peak powersports / Trinity racing: (engine)
stage II $ 650
stage III $ 765
stage IV $1520
Am I on the right track?
Posted by: ajo771
OK.
Lets say I go with the works shocks $489, and extended A-Arms for $325, thats about $800-$850. That sounds good to me. (Do I need the a-arms? How about a extended swingarm?)
What should I look for in a supplier for the Polaris? I would like something that has a "clean" fit / installation.
I see the closest guy to me is Hetrick Racing in Pennsylvania. Should location matter to me?
I just found TOMCO's site. Thanks for the heads up.
Posted by: Bubba297
Ajo77, being in New York, you need to check with D&D performance there. They make the pipes for the Polaris, and I know they do a TON of sled and wheeler porting. I have a buddy north of the big city who races ATV engine powered vintage sleds, and they have D&D do all their fabrications. I wouldnt know about the other things like A-arms and such,Bubba
Posted by: YFZRacer
is this 6 year old the one with the 90
i don't know seems like a lot of money for minumal hp gains if your son is older id just updrade to a bigger crowd a blaster would work good...hope that helps a bit lata
Posted by: YFZRacer
well i'm not sure about the scrambler but i know people mod those little lt80s you can get pipes and stuff (talk to lt80) good luck and most of all make sure your kid has fun
Posted by: TRexTommy51
AJ,
I'm not sure who you have been talking to on prices, but they are giving it to you.
Three shocks - $489.00
+3 Arms - $325.00
Pipe and stuff - $340.00
Pipe, carb, intake, big bore, ported - $795.00
Posted by: TRexTommy51
You need to do a little more checking into prices. The trinity stuff you will have to cut plastic to make it work. There kits are good no-brainer kits. WRH stuff is made for the Polaris. Elka shocks are over priced and not as good as Works in my option. Tomco is one you have not mentioned. The more you get at one time the better off you are but the stuff sometimes has to be bought together. The TOmco kit for instants, This kit is a all or nothing package. Just ask alot of questions and make sure the guy will work with you if something is not like you thought it should be.
Posted by: TRexTommy51
Vowell,
YOur machine comes stock with a decent pipe that can be made to rip. You have a $270 price advantage over teh other quads when it comes to modifying.
Posted by: kidsatvracing
Go with the pipe, clutch mods/kit, main jet, high compression head, and reed valve mods. The works shocks in the standard lenght is the way to go. More dollars and more serious travel go to the Elka set-up.
Posted by: VowellBoysRacing
Thread, the very first thing you need to do if considering racing is to check the AMA and ATVA rules in ur area in regards to age and quad size for ur 6 yr old. Plus there are several low dollar changes u can make that will increase performance on ur 90. Air box,jetting, removing the rev limiter, performance clutch kits, front and rear sproket changes. My son rides a Bombardier DS 90 and by simply changing the air box, jetting on the stock VM16mm carb and installing smaller tires we gained 3 bike lengths in 30 feet over the stock version!!
Posted by: VowellBoysRacing
TRex,
Hope I didn't come off sounding arrogant, am a ten yr builder of custom Harley's and have just gotten into the ATV world in the last couple of years. Been interesting make the adjustment from one world to another. Not sure what you mean tho about the price advantage. Have seen alot of places for modifing these 90's but haven't found much in regards to the DS mini's. Have noticed that almost 80% of them carry the same basic characteristics. Must say that the Airbox design on the DS is rather strange. It's mounted under the seat right above the expansion chamber.
Didn't make sense to me,( drawing warm air instead of cool air!?) so remounted it like the scrambler's,and slightly modified it so it draws better with the jetting changes. Trying to make sure that all mods conform to all AMA and ATVA rules, this i think lets him have a competitive machine but at the same time teaches him that skill more than machine wins. Would appreciate any info on legal mods that i haven't seen and or sites i can go to.
