Categories: Uncategorized

What size Trials bike should you buy?

So you want to buy a trials bike? What capacity do you buy? Bigger is better isn’t it? But trials bikes come in a range of adult capacities from 125-300cc.  This decision can have a massive effect on your riding experience.  Let’s have a look at few points that may help you decide, what trials bike is right for you.

300cc the biggest capacity trials bike

TRS 2020 Trials Bike
2020 TRS One R 300cc

All the experts ride them, so they must be the best bike??  Well not really, the experts at the top end of competition, yes they do mostly ride 300’s.  How many of those riders need them or even use them fully is another question.  The three hundreds simply have more power.  Only really suited to the best and most experienced riders who need the power. Power isn’t really important in trials until you get to the really big stuff.  If you can’t put power to the ground it’s useless and will only create you more problems than it will solve, unless you can truly control it.  A 300 will also have more torque, so a de-tuned 300 will sometimes suit a heavy rider 100kgs plus to help with the pulling power.  



  • Plenty of Power
  • Plenty of Torque


  • Too Much power for most people
  • Over shooting in sections
  • Hard to put power to the ground, traction is difficult
  • Compounds your mistakes
  • You will fatigue fast!

Unless you are an expert level rider, try to avoid a 300.

250cc the performance capacity.

Trials bike 2020 Gas Gas TXT 250

This is the biggest size bike that pretty much any rider needs.  Any rider on a 250 is going to be capable of anything a 300 can do….except the REALLY big stuff.  250s have plenty of torque but won’t be as aggressive and will be easier to put to the ground. 


A 250 will do everything any rider needs to.  They will rev hard and fast, deliver plenty of power but will be a touch gentler than a 300.  You will overshoot less, and in trials with the level of accuracy needed, it will make your life a lot easier!   You will score better in trials competition as you won’t push through turns as easily, or run so far over obstacles.  It will be easier to stay on line.  In turn you are definitely not going to fatigue as fast


Trials riding is always line, before speed.



  • Plenty of Power
  • Plenty of Torque
  • Easier to put the ground than a 300
  • Less Fatigue than 300


  • More power than the majority riders will ever need
  • Will be hard to handle for the majority of club level riders
  • Lacking the very top end Power for the really big stuff, that only the top 5% of riders will need.

A 250 will suit any capable rider with some riding experience.

200cc the ultimate capacity

Trials bike 2020 Beta Evo 200

200cc in my mind is the perfect blend for the majority of riders getting into trials.  You get the perfect blend of torque power and traction.  They will keep chugging up hills, can be revved without ripping your arms out of the sockets, and will put the power to the ground very well.  You’ll get exceptional traction, and not over shoot at all in sections! 


For the majority of riders starting, and even those who have been at it for a while the 200 is the perfect sized bike.  It’s forgiving, it is gentle, but is also very capable and will pull you through most errors!  Then if you work on your clutch skills the 200 will ride pretty much anything!



  • Enough Power
  • Enough Torque
  • Much easier to put the power to the ground
  • Easiest on your body!


  • Lacking power for top end riding
  • May not be enough pulling power for the heaviest riders +120kgs
  • Not all manufacturers build a 200cc bike.



A 200 is the best capacity for the majority of riders

Vertigo 2020 - Vertical Works

125cc, the Skills Development Capacity

Now If you want to really ramp up your skills, 125cc is the way to go.  Now this is more for up and coming youth riders, but the 125 is also excellent for ANY rider who wants to really build up their skills seriously.  A 125 in the right hands is incredibly capable, and can be ridden all the way through any club level of competition, by pretty much anyone. A 125 will allow you to really twist the throttle and experience the use of RPM and and engine inertia rather than just power.  Most will have far more torque than you expect and will pull quite well, obviously its not a 300 but they will keep pulling harder than you expect!

If you are light weight they will be an excellent choice.  Heavier riders may want to go a touch higher in capacity, but you’ll be amazed at how well they ride regardless of your weight!



  • Enough Power to allow you the confidence to rev the bike without fear and experience riding at high RPM.
  • Will develop your skills.
  • Much easier to put the power to the ground.
  • Easy on your body!
  • Light and gentle, easy to ride,
  • Easy to start!



  • Lacking power for top end riding
  • Need to be revved
  • May not be enough pulling power for the heaviest riders +120kgs
  • You need to either have clutch control or you will need to learn.


A 125 will develop your skills

Need more help deciding?

 If you are still unsure at all don’t hesitate to get in touch, we are more than happy to help!

Email –

Whatspp – on +61 460 768 343

Facebook – @motodynamics

Instagram – @md_moto.dynamics

Categories: Uncategorized

Just participated in a trials event and now have a very dirty bike sitting in your garage that requires some much-needed attention? 

Well get to it, as cleaning your bike sooner rather than later will lead to less mechanical headaches later down the track. 

Removing the fun made out on the track

When you get detergent buy truck wash!

Not car wash, yes, truck wash. 

Many car wash detergents use wax, which can cause problems with your brakes. 

Our hot tip: add a small scoop of clothes washing powder to your bucket or sprayer, as this will really help move some of the stubborn clay stains. 

Also avoid pressure washers. As quick and easy this option may seem, pressure washers can damage the stickers and other small parts on your bike and push water past seals in bearings. 

Once the bike is shiny and clean, allow it to drip dry or speed it up with a leaf blower.  Then get your hands on an air compressor and spend some valuable time blowing out all the water that may have become trapped in the bolt heads and other parts of the bike. Trust us, it is worth the time and energy. You will be amazed at how much water ends up on the floor! 

Lastly, cover your brake discs and spray the entire bike with a water dispersant product like WD-40.  Just make sure you don’t spray onto your brake disks so cover them up, and avoid your grips also.

Just make sure you DO NOT use CRC 2.26 as this shrinks rubbers such as the covers on your brake and clutch pistons.

And your work here is done

And voilà, just like that the dirt and mud gathered from your weekend fun has disappeared (well you may still need to hose down your working area). 

It may seem like a lot of effort but if you put in the time immediately after your trials event your bike will continue to look competition ready for a long time to come, at least until you decide you deserve an upgrade.

Categories: Uncategorized

Do you have a junior rev head in your family? Does your child have a thirst for thrill, excitement and new adventures?  Maybe they just aren’t into team sport?

Then trial riding is the perfect sport for them! 

Riders can climb on board and get riding from the age of seven in Western Australia. 

The fun and excitement of riding over rocks, logs and creek beds and navigating their way through marked tracks against their competition will leave them wanting more each and every time.

And the great thing about trials is that parents don’t need to be concerned about their little ones safety. 

It is a sport of balance and concentration without the speed.

Participating in trials competitions will allow your child to learn true control of the bike, improving their skills on two wheels including clutch control, brake control and turning.

Explore the great outdoors 

Getting out and about off the beaten track is also a great opportunity for the whole family to experience life in a different light.

It is a great opportunity to ditch the electronics and be at one with the wonderful surrounds we are blessed with here in Western Australia. 

You do not need to be competing to come camping, you can just get in touch with the club and come spectate and enjoy some free camping with great entertainment.  

So why not get a group of friends together, pack the car, camper trailer or caravan and turn your children’s new found love of trial riding into a real adventure. 

Trust us, your little ones will be talking about these times for years to come and will always be itching for more.

What do you need to get involved?

Well a bike is a good start.

Trial bikes are specially made machines, which are available as petrol or electric in a variety of engine capacities and sizes.

They are generally much lighter than the average dirt bike and require a lot less maintenance. 

You will also need all the basic riding gear, a helmet, boots (No laces), and long pants as a minimum.  But we recommend long sleeves, and gloves to keep them well covered.  No doubt they would love riding pants and Jersey to really look the part. 

At Moto Dynamics we have everything to keep you riding, and our fully stocked van is at every club event in WA. 

Got your bike and all your gear? Now all that is left is to join a club, and come join in on the fun.

So…. What is stopping you?

Categories: Uncategorized

Think bush, the beaten track, you and your motorbike. 

This is the reality of trials riding and everyone, no matter their skill level, can get involved. 

Trials is not racing, it is simply you and your bike pitted against the terrain that lies in front of you. 

It is a sport of balance, concentration and skill, which sees competitors take on an obstacle course of logs, boulders, streams and any other terrain you can imagine that can be tackled on two wheels. 

Best of all, the sport can take place all year round, meaning rain, hail or shine, there will always be a challenge that needs conquering somewhere in our great state. 

Who can get involved?

The simple answer to this question is EVERYONE. 

From juniors aged seven years and above through to veterans from 40 to 70 years plus, there are classes to suit all riders abilities. 

There are also classes available for Masters (35 years plus), Sidecar, Post-Classic (twin shock) and Classic. 

As it is just you and the bike out there on the track, the sport remains very safe, as its all about control however this doesn’t mean it is boring… far from it.

In the higher classes riders really put on a show performing thrill-seeking tricks including air turns, bunny hops and bouncing from the front and rear wheels during turns.

The sport is not only great fun for the riders themselves, but also the spectators who can walk freely around the course. 

From start to finish

Think natural terrain with rocks, creek beds, tree stumps and a lot of mud if you are lucky. 

Each trial section is taped out and includes different colour markers to make sure the riders from each grade stay on course. 

For example, if you are a trial 2 rider you would ride between the red markers, trial 3 riders would navigate the yellow course and so on. 

You are also scored accordingly and unlike most sports, the aim is to score low.  

A rider obtains one point each time he or she puts a foot down, otherwise known as a “dab”. 

If the rider falls off or stalls the bike with their feet on the ground or if the bike moves backwards, they are given five points. 

At the end of the day, the rider who earns their spot on the top of the podium has scored the least amount of points.