10 year old son with a Predator..Need help - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 10-11-2005, 05:55 PM
BajaRider08
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10 year old son with a Predator..Need help

Hi i just bought my son a predator 90 and i need help.We like to ride pretty fast so does anyone have any good or helpful tricks to make the bike Faster?? Besides undoing the screw??? thanks alot please reply [img]/ubbthreads/images/graemlins/yourock.gif[/img]
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post #2 of (permalink) Old 10-11-2005, 06:35 PM
 
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Re: 10 year old son with a Predator..Need help

.

Before making your mini really fast, I'd make its frame stronger, its stock suspension better and its front end wider. If you turn a 2 stroke mini into a rocket without these improvements, your young rider "will get" seriously hurt. Many people upgrade performance, run out of dollars from frame / suspension improvements and they next they know, the young rider has a broken pelvic bone, broken arm, or their modified broken mini sits in the corner of their garage - because they have no remaining dollars to fix it.

To make the frame better, install gussets. This can be done by your local welder guy. For pictures of minis that have gussets, surf the pictures within:

http://community.webshots.com/album/113532491VkQbLi


To make its rear Swing Arm better, replace it with a square tube construction Swing Arm. For pictures, surf:

http://community.webshots.com/photo/...70409284cCvSSg
http://www.kfabproducts.com/prodpics/swing_arm.jpg


Shocks is the next area to upgrade. Many install Works Shocks. But for a few more dollars, one can install Elka "adjustable" shocks. For good prices on Elka shocks, contact Ed at http://www.lucky7racing.us/


To widen the front, some people install wheel spacers. For fast trail rides, I'd highly recommend 3+ A-Arms on the front. Wider A-Arms creates less stress on its stock bushings and and wheel bearings. If wondering, we installed 1.5" wheel spacers on our Trail Riding Pred-90. Next time, I'd install 3" wider A-Arms. Regardless, my son hasn't tipped his Pred-90 since making its front end wider.


Adding more performance on its stock system is a serious accident waiting to happen... Hope these ideas and emphasis on making the its frame & suspension better helps.

.
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post #3 of (permalink) Old 10-11-2005, 06:42 PM
 
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Re: 10 year old son with a Predator..Need help

.

To make your mini "go fast", there's a few things that can be done. The basics are:

- Remove its stock air box and replace with Uni, K&N or a good quality foam filter. Some like the new air filter on the DRR minis. Not too sure if it will "slip on" but might be worth investigating further.

- Remove its stock pipe with a Performance Pipe. Billy Holt at WRH Racing & Rich at Hetrick Racing have some really good "proven" pipes.

- Change its clutching. Replace its Rev restricted CDI with a non-Rev Restricted CDI. For tweaking, many folks change their front &/or rear sprocket sizes. Once you've got "more power" under the hood, the factory sprockets can be replaced. While doing this, you may also want to replace its factory "cheap" chain with a high quality O-Ring chain. If not, the factory chain will stretch really fast.

For more info on these parts, you may want to contact:
Ed at http://www.lucky7racing.us/
Billy Holt at http://www.wrhracing.net/contact_us
Rich at http://www.hetrickracing.com/

Note: I'm sure there are many other great Performance Consultants / Racing Dealers. These are the ones I have in my archives.

Hope this helps as well....

.
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post #4 of (permalink) Old 10-11-2005, 07:11 PM
 
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Re: 10 year old son with a Predator..Need help

.

Depending upon your young rider's skills, previous experience and physicial size, you may want to consider replacing your Pred-90 with a larger mini (youth model). To me, Pred-90s are a good "dry trail" starter bike. But to make their frame / suspension & performance better, it will cost "big dollars". And besides that, the Pred-90s (like many 2 stroke minis) have open Stator & CVT systems. Which means that can't take water above their running boards for a long period of time. Over time, water above the running boards does cause damage.

As a suggestion (dollar per dollar), you may want to "trade her in" and investiage a replacement with:

http://www.eastsidems.com/new_vehicle_de...87&CatDesc=ATVs

http://www.unison-atv.com/cgi-bin/pr...?cat_nbr=11000

http://www.newyorkmc.com/dlrindexsen...ha_Blaster.htm

If wondering, my son is now 10.5 years old. He's the large physical size of many 12-13 year olds. Yes, 135 lbs, and climbing. If I could afford to replace this Pred-90 today, I'd look at one of these. With its throttle turned down, these are an excellent youth minis for the trails. Especially for the deep mud / water type trails.


Hope this helps as well....

.
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post #5 of (permalink) Old 10-12-2005, 02:16 PM
drstar67
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Re: 10 year old son with a Predator..Need help

I agree with spike.

I would widen it out with spacers, or a-arms/ axle combo if you have the cash. strangely this will make the rider alot fast because they can go hard on the throttle and keep the tires on the ground smoother. [img]/ubbthreads/images/graemlins/thumbsup.gif[/img]

Look on ebay with shock conversion kits, this allows you to use big quad shocks on you mini. AND you MUST gusset the frame, if they are going to be raced, or your going to be welding alot, so an ounce of prevention and so on.
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