Trx90 114 budget project .OEM HEAD
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- Опубліковано 8 лют 2025
- Started with stock Motor
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Exhaust , equal to big gun or similar
Intake is 24mm Chinese w/3 way mount
Pz 26 China carb ,,22mm Venturi .. pilot jet is #15. Same as Kz1000 .. main jet, large flat head mikuni style if not mistakin ..110-115
Original PZ needle modified ( sanded Lowe half richer) to tune in spec.
Takegawa 54mm cylinder
Case bored for cyl to fit
Takegawa super head high comp piston with modifications to valve reliefs.to better fit modded stock head and big cam.
Full custom cam
Clutch springs upgraded to hd ..or cr 80/85 but cr is quite longer than OEM style HD
I added a modded manual clutch/ direct drive crank gear. Custom mod.
Lightened flywheel
Takegawa cdi
Other small mods
You are the man. What a bad ass old 90
That thing rips!! Even the dogs agree
Hi guys this is very nice and tidy quad without have any issues and its best thing to get these size up running with 250 engine in it then be all sweet to see more mini size quad in near future 😊 and keep up with you great work on this video of nicest quad ever seen and stay strong on quad
Awesome Build and man you can ride lol Stay Safe.!
Dude,… that’s sick!!!!!
This thing is such a ripper 🤍🩶❤️
Nasty build man
heck man that thing is awesome
I'd like to get some more info on the build and how you done the nerfbars. As I'm building a trx90 for my son and would like to get something like that on his so he can be a little safer.. Thanks..
Can you please send the link for the front shocks? And... is there any mod needed to run those shocks on an otherwise stock front suspension?
How did you do the clutch on the bars I just got one an j want that
I'd like some info on the build, I've got a 2005 I'm building now for my son. We thought about swapping motors I've seen some pit bike motor upgrades.
🔥🔥🔥
@ 2:28 you lost a piece off of your TRX What was it?
Lol.... just a Stick
Can you provide more info on your suspension.
It was a custom setup I was building and selling for a few years, has since been discontinued
Did you use same trx 90 engine I’m wondering if I should stay to my trx engine or get a 125 pitbike engine
It's much cheaper to get a 125/140..etc ... Than to mod a trx90.. it's your preference
What are the size of your rims and tires . I am rebuilding my older boys trx 90 for myself .
It's been a while since this video..
Backs are 6.5"x8 ... With 6.5x8 snowhog or equal.
Fronts are 10x6?? With 19" tall tires .. same spec as the bigger sport quads on front.
@@kwikfixer thanks for the info. Since my back surgery my wife won't let me ride so I want to build a nice pocket quad.
what are the fenders? did you cut them or got new ones. And did you tune it some how?
Fenders are cut... Motor is quite modified
@@kwikfixer ok, i was wondering bc the gears sound spaced out myne is a 2000 trx90 and the gear shift is real close together until i hit 3rd
What size are the rear tire dimensions
I believe those are 6.5x18-8
@@kwikfixer how’s it going, the valves were to tight causing that bogging problem on my sons 90, would you be willing to tell me any secrets to get some extra power out of a stock Trx90? I fmf pipe, 85 main up from stock 80 and put a couple nickel size holes in the air box, cut pink wire you told me about, with a 48 tooth sprocket. I have a new crf 100 carb on hand but not installed yet or if I can on stock motor, but he’s running limited 90 so no big bore yet.
Advance spark timing ,by notching the flywheel key at the middle,,,from end to end.. from the forward facing side ,to allow the flywheel to be adjusted counter clockwise , around 3 degrees. Or by a kitaco adjustable cdi , and adjust it via CDI dial.
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Head gasket can be separated to only use one layer , to up the compression..
Or you can buy a dome piston to do a better job of it.
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Larger cam is always a plus .. but it's noticeable ,so be sure it's ok in the rules.
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Porting head n intake is always a power gain when done correctly...
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Biggest bang for buck ,is reducing rotating weight .... Small,light rear wheels n tires.
6.5x8 can reduce wheel weight by several pounds.
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There are other small tricks , mostly saved for mod class .. just be mindful of the respect for the other racers and parents ,to stay within the rules.. the worst thing you can do for your rider ,is to have them be on a cheater setup just to win at a child's game 👍👍👍
@@kwikfixer ya I agree about keeping it fair within the rules, he’s in the limited class, no Elka shocks or big bores aloud, stock bore only. We have a T bolt 114 kit with Tbolt race head bigger valves and stuff on the shelf, I have a 26 mm mikuni and a crf 100 carb and Elka shocks , for down the road when he moves to the front row mod class, still trying to figure out what carb to run and get the right intake so I can use stock air box with the Tbolt set up, I think I need to pick up a oil cooler also. Thanks for the Tips and willingness to respond to questions.
Where are those tires from??
Ebay
is there a difference between the trx 90 and the sporttrax 90?
Same quad.. same chassis n suspension ...
92-05 pull start.. basic style.
06++ E-start.... different plastics n body mount points.. exhaust 3/4" different at rear mount point
@@kwikfixer super fast reply. thats so cool. just subscribed. i got a 2004 honda sprttrax for my 7 yr old daughter. and all i wanna do is tear it down and rebuild it and get it as sweet as i can get it. not wanting anything bigger. just lookin to make this a fun project for me n my girl and i have pretty much no idea what im doing. new to motorsports.
@@kwikfixer its incredibley stiff. and want to inquire about the bracket you used for ur rear suspension
I'm actually just now getting some more kits made .. the first couple of mods I suggest are wheel stud spacers .. around 2" , cheap.on eBay.
And getting the rest suspension softer .. my mod Bracket is a great way to do that.
$135 for bracket n install kit.. around $50 for enough spacers to do front n rear ..spacers widens quad by 4-5" ..and rear suspension gets you 6+ inches of really soft travel.
kwikfixer@gmail.com ... Email me ,ill get you a cell# you can reach me at
@@kwikfixer i definately will. thank you!
did you sell this?
What exhaust is on it?
Bug gun Evo header.. china silencer
What are the heelguards from
Robert Huddleston it's 300/400/450 Alba nerf bars .I buy them on eBay and cut a few inches o length out to fit the Trx..I just haven't welded the front half back in these
Do you have any videos of the nerf bars on how to build them? Have a 90 I'm building for my son.. An the ones they sale is ridiculous and price for a tr 90 something like 300 bucks..
What year is it
05 n older..
@@kwikfixer things mint👌🏻
I just to Mod this bike enough to carry my 300Lbs Girl Friend. Any advice?? Is appreciated. She is 5,3”...
Leave stock...be just fine 👌👍👍
Lmao