Trailmaster MB200 Bushing Upgrade ~ A Must For Hard Riding!!!
ฝัง
- เผยแพร่เมื่อ 23 ส.ค. 2024
- Today we do some much needed upgrades to the best mini bike on the market. We have been abusing this MB200 for years now and it's showing. We remove the rubber bushings in the swing arm and install Chromoly heim joints. Then we remove the engine mount and replace the rubber bushings with metal slugs we made on the lathe. This is a must on these bikes to keep the chains from kicking. Make sure to check the links out below and like, subscribe, and share to keep them coming!!!
Parts used on this bike
Metal Slug - bit.ly/3ZPitlD
Chromoly Heim Joints - bit.ly/2WqXnfh ( 5% Discount Code RBG5 )
Tillotson 225cc Engine - bit.ly/39XzZu7
Tillotson 225cc Builders Kit - bit.ly/3iwjE6d
MB200 Mini Bike - bit.ly/2OutchV
MB200 Exhaust - bit.ly/3BlKqoz
MB200 HD Fork Mount - bit.ly/3BqEgU0
MB200 Front Brakes - bit.ly/3DtvXbW
MSD Coil Pack - bit.ly/3wn8uX2
Tires - bit.ly/3ykKrId
Billet Shocks - bit.ly/3MCrkAd
60 Tooth Sprocket - bit.ly/3DsKCnR
RK Gold Chain - bit.ly/2TxyD5G
Foot Pegs - amzn.to/36w8Ygc
Peg Relocating Kit - bit.ly/3Af8WK0
Predator 224cc Parts
Stage 4 Head - bit.ly/2RiYBWK
Billet Rod - bit.ly/2Jr5HVm
Billet Flywheel - bit.ly/3scRGAg
70mm Flat Top Piston - bit.ly/3opq7lV
Billet Rod For Flat Top Piston - bit.ly/3ulIVq9
Fire 265 Cam - bit.ly/3HwY9MH
Gauge 1.2 Ratio Rockers - bit.ly/3yFOkaP
Billet Side Cover 6057 - bit.ly/2Jtikzf
Cut To Length Push Rods - bit.ly/34bHpwe
24mm Mikuni Kit - bit.ly/31TsUWm
Mikuni Velocity Stack - bit.ly/38VQ3Li
Silver Billet Valve Cover - bit.ly/3HqKB5p
Black Billet Valve Cover - bit.ly/32WGyPj
Valve Cover Spacer For Stock Valve Cover - bit.ly/34ffrj2
Clear Valve Cover - bit.ly/2JsuFn6
Build Your Own Header Kit - bit.ly/2NDPdM9
Top Plate - bit.ly/3buiBOs
Spark Plug 3910X - bit.ly/3qCKjCk
Jet, Air Filter, Air Filter Adapter Kit - bit.ly/3kZ96wr
Billet Cup Washers - bit.ly/2Fg1pAG
Magnetic Oil Dipstick - amzn.to/3ml8Cmj
Juggernaut Pulley - bit.ly/3aAl355
30 Series Drive Belt - bit.ly/3DaN2b4
Merch & Events - bit.ly/33YbmtO
Check Out Go Power Sports for all your Go kart needs! bit.ly/2viX9vP
Parts & Tools used on the channel - amazon.com/shop/redbeardsgarage
Quantum Machinery- Siegmund Welding Table - bit.ly/36PHm6G
- Nargesa CC60 Bender - bit.ly/2xWDVxj
Prime Weld Tig 225x - amzn.to/3L4U3MG
Prime Weld MIG180- amzn.to/3KVUPvn
Benchmark Abrasives (cut-off wheels, flap discs..) bit.ly/2SENg4f save 10% REDBEARD10
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*********Disclaimer*********
Please do not try to re-enact or recreate anything you see in these videos. We are trained professionals. Red Beards Garage does not take any responsibility for injury's created by doing so.
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I’m completely re-working a Gen 1 Trailmaster right now. Getting it ready for the 3rd annual Gambler 500 24hr race here in FL. The heim joints are a definite must.
24 hr minibike race??? how does that work lol sounds like a ton of fun
Hello Red Beard
Absolutely love the heim joints. Awesome setup. I agree with the prior comments. When the swing arm is moving its motion becomes limited by the slack in the chain. Everyone tends to run a looser than needed chain to help with this, however, this results in a thrown chain. It also beats the hell out of the chain and jack shaft bearings if the chain is tightened to spec. I'm working on a chain tensioner pulley for just this reason. Can't wait to get it done so I can have full suspension travel thats not chain limited. I'd love to see you folks design a good tensioner setup for the MB200. There's definitely a market for it. Dirt bikes have them for the same reason. Minibikes want them!
I believe if you moved the swing arm pivot as close as possible to the jack shaft, it would also help. This would minimize the difference in geometry change as the swing arm moves. Like the changes you've already done, tho.
We removed the factory driven pulley mount and went with a conventional TC setup. Repositioned the foot pegs - welded on. Replaced the front frame mount with our own. Added a chain guide /tensioner with a 60 tooth sprocket. Still have the rubber bushings in the lower frame. I havent thrown a chain yet. Like your swing arm mod
Did you just buy a TC kit with backplate off of Amazon?
Yes just the standard stuff @@chrismhoyt
If you weld a tab on the jackshaft tube and one on the frame to bolt to it, if would further stiffen that area, yet leave the engine cradle removable.
You should make a chain tensioner for it too. A guy here on youtube called BWX has a video showing a good design for one which will fix this problem, and it keeps you from slamming your crankshaft every time the suspension moves with the added benefit of letting you actually have more than half an inch of suspension travel before bottoming out on the chain.
I made a chain tensioner for mine absolute game changer no more throwing chains.
@@fredbearsq3254 Exactly. Rear suspension on this bike was an afterthought, it was a hardtail bike for years and you can still get them that way. Without a tensioner you either have to let the chain dangle in the breeze and lose it all the time or keep it so tight that it damages the engine and keeps the suspension from working. It's a way more important upgrade than swapping out the rubber cradle mounts and none of the big channels do it so I have to mention it every time I see it until the word gets out eventually.
MB200 Metal Slug/Bushing link bit.ly/3ZPitlD
Thanks ... I'm still looking forward to episode 3 of "The Road to Horsepower."
Love the mod on the swing arm
Awesome video folks! I've needed a video like this. Specifically this. THANKS!!!
Looks like it will be a ton stronger for the next race!
Awesome, upgrades, all the best to yous and your loved ones
I would pack that bearing/shaft housing with grease just to keep the water out.
top notch work as usual...thanks for the video!
Love this! It's a must do upgrade, I agree!
Would love to have a shop like that, you can do a bit of everything in it👍
What ever happened to the silver fox go cart project? I have one and would like to see how you upgrade the front suspension to double A arm! It needs it! I also have a Baja Warrior I’d love to see how to add rear suspension too!
Thanks for the years of projects!
Move the mount for the shocks forward on the swing arm for the shorter better shocks. 1976 Honda cr125m is made that way google it
You could eliminate almost all your chain issues if you designed a chain tensioner pulley setup, would allow you to run a "loose" chain setup , I've seen some people make spring loaded setups that are a game changer.
Nice job!
I like the idea of the metal bushings but wasn’t the rubber ones for the vibration from the motor so nothing crazy shakes all the bolts and such loose on the bike? Being that the rubber was in the cradle of the bike only?
Id like to see a 2stroke snowmobile engine in one of these mb200! 😮
Very cool upgrades! I've been working on mine as well, adding hydraulic front brakes and doing weight reduction.
What size were the inserts for the swingarm? Like what is the ID of the swingarm?
Looks solid.
Why not weld a riser mount to the swingarm to run the better shocks?
hmm I have a kart that I installed a 459 in it from a 208 and I keep throwing chains as well. I bet I'm having same issue since everything is square as square can be. Might be time to do a similar upgrade to my kart and see if it fixes it. Then I'll tackle my MB200 she just a stock ride at the time being until I work out kinks in my other rides. Nice video as always.
Leave the rubber bushings in and put a spring loaded chain tensioner on it works great!!! solid bushings and no chain tensioner and you still have the same problem of the chain being to tight or to loose. Try it people it WORKS GREAT!!!
The bushings were likely there to dampen vibrations from the engine. Please let us know if it’s significantly different.
RBG, I know road to horsepower will be an ongoing series, but have you thought about what projects we'll see in '23? If already discussed, excuse my folly.
Would love to see a follow up video of how it now handles with the frame upgrades.
I'm first now I'll go watch the show
What mods are you planning to do with the square tube engine mounts
Are you reinforcing them also since the bends are more visible with it being apart
Losing the rubber bushings likely will magnify stress on that component
Appreciate the variations of your projects
Waiting on dyno content sir
@redbeardsgarage i am wondering if fitting needle roller bearing with some sleeves fitted would be a better option from factory much like a motorcross swingarm
Can you guys make cycle karts and race them with other people?
Couldn’t you install a grease fitting in the jackshaft housing?
Question when are you gonna do the video with the 212 dyno next upgrade.
Top.
Yeet Yeet RBG 🤪 😎 ☮️
Could you do slugs in the swing arm as well instead of the joints?
sooo I have a Manco silver fox and I'm looking at upgrading the crappy steering to rack and pinion do you have any good options that don't require too much extra work?
Hi I seen in one of your videos someone gave you a saddle gas tank made for a Baja warrior mini. Info on how to purchase one would be nice thanks
Your lathe doesn't have auto-feed?
when you build a mini bike trike etc what neck tubing size and thickness? and bronze bushing size do you use.
heim joints are cool however that frame is not strong enough for that kind of power. Brent Glendale Az.
You are still going to lose your chain unless run a spring loaded chain tensioner because the chain gets tighter as the shocks compress. This also means you will also wear out jackshaft bearings unless you run the spring tensioner allowing the chain to have more slack. th-cam.com/video/XmJWae84tdY/w-d-xo.html
Yup and I wonder if the jackshaft mount getting torqued by chain tension at top of suspension stroke actually is what bent the engine cradle frame rails? All these guys constantly kick chains on their MBs because they're too tight at top of suspension stroke. I wonder if they'll ever figure it out? ✌
Cool build what size Heim joints did u installed.
23-in tires for 2023
How much would you charge to get the chromoly heim joints welded onto the rear swing arm?
@ 3:24 I need to upgrade mines asap@12:34 I need them
awesome.God bless.
Does anybody do a small gearbox for this bike ?
Man that was a good video
Hey. What belts do you use on this bike with the jugg
What size belt are you running
How are you buddy, I live up on Long Island and I’m moving either to Texas or South Carolina my wife and I haven’t decided yet but I have a major phobia of venomous snakes up here on Long Island we don’t have snakes spiders hurricanes earthquakes tornadoes we don’t have anything. I’m sitting here watching you talk with the door open in the background did you ever have a snake go into your garage While leaving the door opened. Or is most of this fear just in my head, thank you I’d appreciate if you or anyone that lives down that way can reply because I’m driving my wife crazy.
We are in the south, we live in the woods and rarely see them snakes are mostly around water like creeks and rivers
@@shark11175
That’s a drag, my wife and I are looking at a nice piece of property in Easley South Carolina it has a nice creek running through the backyard. I guess it’s like anything else you have to learn to get around
@@jojojeep1 Yea no big deal
Carry a pistol loaded with bird shot if you're afraid of snakes.
@@timothywilliams2021 my head plays games with me, I’m afraid my kids might leave the door open it’ll come in to the house and obviously it’s gonna go into your bed because it’s looking for a warm spot. I’m just gonna have to get over it it’s just one of those things, Who the hell knows this my drive me to shrink sofa
So my neighbor ran over my go-kart frame yesterday. 😐
With a f150 ..
It's been a hell of stressful past few months.
sorry to hear that man
@Rednecks do it better 2 just means I'm not supposed to have projects/toys
I know that frame is probably the most comfortable mini bike frame but it is butt ugly. Looks like random pieces of tube welded together covered by plastic. Please make a gravy bones mini bike.