Hot Shot II

Tamiya Hot Shot II, model number 58062, offered for sale in 1987 and available on the market until 1991
Lexan body
HotShot chassis

Analysis of the model to be restored
Starting from the front and moving towards the rear, the chassis analysis reveals that

– the body is in very good condition; but the body is red and not black
– the front lower bumper has signs of heavy use,
– the rear lower bumper is less worn,
– the 4 wheels are in good condition; the pins are little worn and no cracks or cuts can be seen,
– the rims are the correct white ones and
– the rear 3-pin ceramic resistor for speed control is missing.


An initial visual analysis shows that the body needs to be stripped and repainted in the correct colour and it is to be investigated whether there is an electronic speed control (no rear ceramic resistor) or whether no speed control is installed. On a positive note, the model comes with instructions that are in very good condition for being more or less 35 years old.

Frame restoration
Sequence of images showing the stages in which the chassis is disassembled to check each of its parts; at this stage look for broken parts, missing parts, modified parts, screws that do not unscrew…
– remove the body
– separate front bumper, front lower bumper and rear spoiler,
– remove the four wheels, roll bar, rear lower bumper and shock absorber system. Guide on C.V.A. shock absorbers,
– separate the central body containing electronics from the front differential and rear differential. Dismantle electronics from the centre shell,
– disassemble the two differential units.

After this stage it is clear that an electronic speed control (ESC) is installed, so it is necessary to replace it with a mechanical one to restore the machine to factory conditions. Tamiya has produced a mechanical speed control (MSC) which, within the Hot Shot family, is only used on the Hot Shot II; part number 50292 in common with the BigWig, model number 58057.
The antenna is evidently crooked, probably due to a rollover. It is therefore necessary to straighten it: clamp the crooked part in the vice and use a constant force to straighten the antenna.

The most time-consuming part of the restoration is the part involving the tyres. The rims have no particular marks and the tyres have no cuts, holes or wear. The tyres are not glued to the rim, there are no surprises on this part and the tyres start the glycerine treatment immediately:

– Rinse the tyres in warm water with a little degreasing dishwashing soap and a soft-bristled toothbrush. Remove as much dirt as possible and try to avoid increasing the size of the cuts,
– soak the gums completely inside a container containing 99.5 % pure glycerine for 7 days,
– leave the gums lying on a paper towel for 7 days, every day change the paper towel and turn the gums so that the glycerine emulsifies more easily,
– wipe off residual glycerine daily with a paper towel for 7 days until the gums are completely dry.

There is no damage and no missing parts in the frame so wash all disassembled parts with hot water and degreasing kitchen soap and then run a cycle in the ultrasonic washing machine: metal parts for 25 minutes at 70°C and Teflon or plastic parts for 25 minutes at 40°C.

Sequence of pictures showing the steps in which the chassis is assembled:
– rear gearbox with differential,
– electric motor,
– 2 + 2 rear suspension arms,
– front gearbox with differential,
– plate for front torsion bar system,
– 2 + 2 front suspension arms complete with steering system,
– marriage between centre shell and the two gearboxes,
– installation of the electronics in the lower shell; replacement of the electronic speed system with the mechanical speed control system and
– marriage of the lower shell with the chassis and installation of the ceramic heating element.

Body restoration
For this model there are only a few tasks to be done on the Lexan part:

– strip the central body by dipping it in at least 90% pure ethyl alcohol free of dyes and perfumes,
– remove all stickers from the central body that have been corrupted by the alcohol itself
– apply the new stickers and
– clean the rear wing as best as possible, which is covered in a layer of dust

Restored model
Pictures showing the finished model.

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