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1/8 Scale Nitro Buggy:

Kyosho Inferno MP-7.5 Sports 2 - # 31276 (Radio Controlled Model)


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History + Information (and How To Set-up Tips):


  Released by Kyosho in 2005, the 4WD Inferno MP-7.5 Sports 2, ReadySet Buggy - # 31276 - is shaft driven, with alloy plate chassis, 3 x gear differentials, coil spring over oil filled dampers, anti roll bars, front universal joints, rear dogbone drive-shafts, dogbone prop-shafts, a full set of ball bearings and a GX21 engine.

Kyosho Inferno MP-7.5 Sports 2
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  To race the Kyosho MP-7.5 Sports 2, it requires time and patience, to tune and adjust for improvements in handling and steering ability and to get the grip you need to stay on course when manoeuvring around tight, slippery corners. A little can be a lot when it comes to changing your cars settings and our easy methodical directions will guide you to the best Set-up to help you win and keep you winning.

  Our easy to understand guide will show you how to adjust the Nitro Engine for your MP-7.5 Sports 2.

  Employing a number of sensible ideas, find out how you can avoid Radio interference, and problems with your Servo, by making a few changes to the layout of your equipment in your chassis. Discover what the top drivers do to improve the efficiency of their Kyosho MP-7.5 Sports 2 Bearings with a few common sense hints and tips.









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★ Kyosho Inferno MP-7.5 Sports 2 ★
Kyosho Inferno MP-7.5 Sports 2

★ Kyosho Inferno MP-7.5 Sports 2 ★
Kyosho Inferno MP-7.5 Sports 2

★ Kyosho Inferno MP-7.5 Sports 2 Chassis ★
Kyosho Inferno MP-7.5 Sports 2 Chassis


Buying a Used Kyosho MP-7.5 Sports 2
Buggy (and What to look for)


   Buying a used Kyosho MP-7.5 Sports 2 Nitro Buggy, or any used RC Model, has a number of advantages. It is generally cheaper than new, ready built and may come with a variety of expensive hop-ups already installed. Cheap, pre-loved bargains are always becoming available. However, depending on the age of your purchase, it may need a little tender loving care before you can take it out on the back yard.

   The one thing you will always need is an instruction manual. If not supplied with your purchase, they can often be downloaded from the Kyosho website, or purchased separately on eBay. With an instruction manual, any problems with your model Buggy you may discover can easily be fixed.

Dampers
   When you receive your used Kyosho Buggy, make a general visual inspection of the chassis, front and rear wishbones, suspension shock towers etc, for any broken parts that may need to be replaced. Then, take a screwdriver and box spanner and check each self tapping screw and nut for security, taking care not to over tighten.

   Next, for those Kyosho models with oil filled shock absorbers, remove them from the chassis and dismantle the coil springs. The damper shafts should push in and pull out with a smooth action. If you feel a jolt as you change direction, this means the oil has leaked out and must be topped up. At the same time, change the O-Ring seals to prevent more leakage. Also check the damper shafts for damage. If they are scratched, change them as soon as possible.

   If the body shell of your Kyosho MP-7.5 Sports 2 is broken, ripped or damaged in any way, this can be easily repaired with rubber solution glue. Also, for added protection and if available for your MP-7.5 Sports 2 model, fit an under guard to stop dirt and gravel entering the chassis.

Titanium Turnbuckles
   Examine the drive shafts for wear and replace as required. If possible, change them for titanium. The steel shafts wear and bend too easily.

   If you intend to race your MP-7.5 Sports 2 Buggy model at a competitive level, I would also recommend you obtain and fit titanium pivot shafts, turnbuckles, tie rods and steering rods.

   The gearbox of your used Buggy should be opened up to check for gear wear and lubrication. A thin coat of grease is often used on internal gears and although this is fine for basic running around on the back yard, if you intend to race your Buggy at a higher level, this should be removed and replaced with racing oil (ZX1 or Teflon Oil). Of course, this should be reapplied after each race meeting.

Spur Gears
   Gears are a weakness on all Buggy RC models. Head on collisions can easily damage the gear teeth on nylon and plastic spur gears. Heavy impacts can also loosen the nuts or self tapping screws that hold the Nitro Engine in Position, allowing the pinion gear to pull out of mesh slightly and rip the tops off the teeth on your spur gear. To minimise this possibility, fit bolts with locking nuts to the Nitro Engine mount and remember to check them for security after every two or three runs.

   Ball joints always cause problems. For top level Nitro Buggy racing, the plastic ball connectors should be checked and if deemed necessary changed after every meeting. A simple thing like a loose fitting connector popping off could easily end your race, so better safe than sorry.

Servo Gears
   The MP-7.5 Sports 2 steering servo is also prone to damage. In high speed crash situations, the fragile gear teeth of the servo can be broken off, rendering your expensive servo useless, so be sure to obtain a good quality "Servo Saver". Check out my Servo Information article.

   If body roll on your Kyosho MP-7.5 Sports 2 is a problem, handling can be improved with the use of stabilizers, anti roll or sway bars, stiffer tuning springs and, or, thicker silicone oil in the dampers.

Ball Bearings
   If your used Kyosho Buggy comes with plastic and sintered brass bushings (ring type bearings), check the shafts that run in them for wear. Dust and grit can get into these bearings and abrade the shafts. Therefore, you should replace them all with shielded ball bearings. If the model has been run with ring type bearings, you may have to change all the axles and driveshafts. For more information, take a look at my article, How to get the best from your Bearings.

   Finally, good luck with your MP-7.5 Sports 2 model and good racing.


For More on how to Setup your Buggy, check out my Hints and Tips page.


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Manufacturers and Brands Catalogued and Listed by RC-Scrapyard.


   At present, the RC Model Manufacturers, Brands and Distributors covered by us are: ABC Hobby, Academy, Acme Racing, Agama Racing, Amewi, Ansmann Racing, ARRMA, Team Associated, Atomic RC, Axial, AYK, Bolink, BSD Racing, Capricorn, Carisma, Carson, Caster Racing, Cen, Corally, Custom Works, Durango, Duratrax, ECX - Electrix, Exceed RC, FG Modellsport, FS-Racing, FTX, Fujimi, Gmade, GS-Racing, Harm, HBX, Helion, Heng Long, Himoto Racing, Hirobo, Hitari, Hobao, Hong-Nor, Hot Bodies, HPI, HSP, Intech, Integy, Jamara, JQ Products, Kawada, Kyosho, Losi, LRP, Maisto, Mardave, Marui, Maverick, MCD Racing, Megatech, Mugen, New Bright, Nichimo, Nikko, Nkok, Ofna, Pro-Pulse, Protech, PTI, RC4WD, Redcat Racing, RJ-Speed, Robitronic, Schumacher, Seben, Serpent, Smartech, Sportwerks, Step-Up, Tamiya, Team-C Racing, Team Magic, Thunder Tiger, Tomy, Top Racing, Traxxas, Trinity, Tyco, Vaterra RC, Venom, VRX Racing, WLToys, X-Factory, Xmods, Xpress, Xray, XTM, Yankee RC, Yokomo, ZD Racing and Zipzaps.

   This is an ongoing project, with new and "lost in time" RC Model Brands being added as they are found and although most of those listed above have been covered in relative detail, some are still being researched and will be completed in the near future.


















Hints and Tips

Choosing a Transmitter

   When you first started in RC, you may have purchased a package that came with the car kit, motor, battery, charger, ESC and radio system complete. The transmitter was probably just a basic steer wheel, or stick type, with nothing more than forward, reverse, left, right and simple trim settings to centralise the servo and ESC.

   After a while, as your enthusiasm grows and your experience increases, you will want to move on to a better radio system, with more setting options, but where do you begin?

   Choosing the right transmitter is a personal thing. It has to feel right, have the balance you like, not be too bulky for your hand size and have all the features you might need to set up your car to your driving style.

   Transmitters these days are highly sophisticated pieces of engineering and once you choose your transmitter you will probably stick with it for the rest of your competitive career.

   Don't just go for the one you see in a review that looks and sounds like the best thing there could ever be and came at a bargain price. Then when it arrives through the post and you get it in your hands it just doesn't have the feel you thought it would have. Sits awkwardly in your hands and is so complicated to set up you need a university degree to understand it.

   Talk to the experienced racers at your local track, ask them their opinion, see what their transmitter is like and if they will allow you to, hold it in your hands and see how it feels. All the best buys in life are made by recommendation. Then, once you have some idea what you are looking for, look on the internet for that model to get the best price, or go to a dealer and check out the latest models.

   Frequency choice depends on where in the world you live and what form of RC you are into. Fortunately, most of the top end transmitters can change to different frequency ranges by simply fitting a different module, so if you ever move up to an international level, you don't have to buy a new transmitter, just a module and receiver.

For More Setup Information check out my Hints and Tips page.







Hints and Tips

Emergency Plastic Part Repairs

   It always happens when you least expect it. You are racing hard; and suddenly some idiot decides to side swipe you' and break your front wishbone. Even though you may carry spare parts for just about everything on your car, it always seems to be the same part that breaks and although you made a mental note the last time it happened to get a replacement you soon realise those mental notes were not worth the paper they are written on.

   So there you are, in the middle of nowhere with no spares. You ask around and no one has anything like your car, least of all parts for it and the closest model shop is 100 miles away. What are you supposed to do now?

   Some kind of repair is your only option.

   The one thing quite a few people think of first is superglue, but that kind of repair won't even get you around the first corner.

   What you need is something much stronger and the only way you can do that requires a good quality soldering iron, the plastic sprue (the bit left over when you remove all the parts for your car) or another broken part made from the same plastic.

   Using the largest tip you have, set the temperature so that it melts the plastic, but does not vaporise it. Place your broken part on a flat surface that will not be affected by the heat from the iron. I use the glass plate I have for setting the wheel camber of my model. Next, cut a piece of scrap plastic long enough for you to be able to hold on one end, as you work with it and place it over the break. At the point directly over the break, carefully melt the scrap plastic until it is around one millimetre above the break.

   Gently slide the iron sideways, depositing the scrap plastic about five millimetres either side and around the break. At each end of the fix, try to meld the scrap and broken part plastic. Picking up the broken part, continue the melding around each side of the break, then place it down the flat surface and repeat the process on the other side.

   When satisfied, switch off the iron and allow the plastic to cool. Using a modelling knife, carefully, cut away any excess plastic, but not too much.

   With a little practice a fix like this can be almost as strong as a new part and can save you a whole lot of anguish.

For More Setup Information check out my Hints and Tips page.











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