Yamaha RD Tyre Sizes
Here are the various tyre sizes for the most popular bikes in the RD range, as fitted to the bike when launched. In brackets, where applicable are the metric equivalents.
Yamaha RD125 LC – Front: 80/100-16, Rear: 90/90-18
Yamaha RD200 / DX – Front: 2.75/18, Rear: 3.00/18 (Front: 80/100-18 and Rear: 90/90-18)
Yamaha RD250 DX, G, LC – Front: 3.00/18, Rear: 3.25/18 [3.50/18 rear on the LC] (Front: 90/90-18 and Rear: 110/90-18)
Yamaha RD350 A, B, LC – Front: 3.00/18, Rear: 3.50/18 (Front: 90/90-18 and Rear: 120/90-18)
Yamaha RD350 LC II, F, N, F2, N2, R – Front: 90/90-18, Rear: 110/80-18
Yamaha RD400 – Front: 3.25/18, Rear: 3.50/18 (Front: 100/90-18 and Rear: 120/90-18)
Yamaha RD History
For many older bikers, just two letters sum up their youth experiences on two wheels and those two letters are RD.
For many their RD50 or RD125 was the gateway to freedom and for plenty of bikers the RD250 was the machine that their owned and modified all through their twenties.
These days all two-strokes fetch big money, fuelled mainly by nostalgia. The bigger-engined bikes like the 250s and 350s command eye-watering prices but if you want to recreate your youth (if only for an hour on a Sunday), then what price happiness?
Can you convert Imperial sizes to Metric?
The early 80s and 70s bikes all run Imperial sizes (in inches) and while you can buy tyres with these sizes you can also do a conversion to find a tyre in the modern Metric sizes. For example a 2.75/18 tyre converts to 80/100-18.
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Yamaha RD Stock Tyres
We can’t remember the tyres that our RD250 came on and despite scouring the internet we haven’t had much luck. If you can remember, please drop us a line.
Best Tyres For a Yamaha RD
While we all want a bike from yesteryear you’d be mad to want to run it on yesterday’s tyres.Â
Virtually every manufacturer makes tyres with modern compounds in old-school sizes, including imperial sizes.
Popular choices for the RD:
Bridgestone BT46 – A modern sports tyre
Metzeler Block C – For that real old-school look
Yamaha RD Tyre Pressures
You can find your motorcycle manufacturer’s recommended tyre pressures in your owner’s handbook. You’ll also find a tyre pressure chart sticker on the swingarm.
We suggest running 125 / Small bike tyre pressures on your RD.
If you have no idea what pressures to run, this is our general rule:
Scooter: F 30psi, R 30psi
Normal Motorcycle: F 36psi, R 42psi
Big Tourer: F 42psi, R 42psi
125cc / Small Bike: F 33psi, R 36psi
You should always check your tyre pressures when the tyres are cold. Check out our range of motorcycle tyre pressure gauges here.
About Two Tyres
Our mission is to ensure we listen to every customer’s needs and ensure they’re riding on the right tyre. Out of the showroom, your motorbike is a compromise, designed to suit a huge range of riders and riding conditions. To get the best out of your bike in terms of handling, performance and safety, tyres make all the difference. In fact we think it’s the most cost-effective performance enhancement you can make!
We are based in London where we supply and fit motorcycle tyres and consumables in our workshop. We also mail order motorcycle tyres around the UK, across Europe and even to places as far-flung as the USA, Canada and Japan.
Need help choosing the best tyres?
Choosing tyres can be tricky. We’re here to help. We hold direct accounts with every motorcycle tyre manufacturer, so we’re well placed to give comprehensive and honest advice to help you choose the best tyres. If you can’t quite make your mind up, give us a call on 0207 205 2205 and we’ll help you narrow down your choices.
We are motorcycle and scooter tyre specialists, with over 25 years in the trade. Between us we fit 10 pairs of tyres a day in our workshop, so we have good real-world experience of what works and what doesn’t.
We ride to work, we ride for fun, we race and ride off-road. If it’s got two wheels, we’re into it.
Give us a call or drop into our London motorcycle workshop and we’ll do our best to help you.
Are your tyre pressures letting you down?
We couldn’t find a tyre pressure gauge that was well-built, easy to get on-and-off the valve without pressure loss and could stand up to day-to-day abuse in our workshop. So we found a manufacturer to build one to our exacting standards.
We’re confident this is the best motorcycle pressure gauge out there. That’s why it comes with a 3-year, no-nonsense, money back guarantee.
Whether you want a digital tyre pressure gauge or a good old-fashioned analogue pressure gauge, we’ve got a gauge for you. Now you can quickly and easily check your pressures, to keep your bike handling well and to ensure you stay safe.
Here at Two Tyres, we stock more than just tyres. Take a look at some of our essentials for any biker.
Motorcycle puncture repair kit – Our top-rated kit includes everything you need to carry out a roadside repair and get back up and running.
Motorcycle tyre pressure gauge – Our tyre pressure gauge has been rated in RiDE magazine and features a clever design to make it easy to get accurate readings.
Motorcycle first aid kit – a DIN-rated first aid kit that’s compact and also includes extras that are handy for any biker. A must-carry in some EU countries.
HyperCharge battery charger – The HyperCharge is a smart charger that can charge lead-acid and lithium batteries and it’ll charge bike and car batteries too.
Cordless tyre pump – Small enough to fit in your luggage, this tyre pump doubles as a powerbank, so you’ll never have a flat tyre or phone battery again!
All of these products have been well tested and are top-rated by our customers.
