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HPI F/G Series Roto Start Back Plate V3 14mm Hex (113736)
HPI F/G Series Roto Start Back Plate V3 14mm Hex (113736)
HPI F/G Series Roto Start Back Plate V3 14mm Hex (113736)
HPI F/G Series Roto Start Back Plate V3 14mm Hex (113736)

HPI F/G Series Roto Start Back Plate V3 14mm Hex (113736)

Brand: HPI

Part No: HPI-120277

£20.89 RRP £21.99

Backorder: Expected 18th May 2026

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The HPI Roto Start Back Plate V3 (14mm Hex), part number HPI-120277, is a genuine replacement back plate for use with Nitro Star F and G Series engines that utilise a 14mm hex one-way interface. It allows starting with HPI Roto Start and Roto Start 2 handheld units.

For correct operation, ensure your engine is fitted with the 14mm hex one-way bearing (#107829).

Key Details

  • Back plate for Roto Start systems with 14mm hex one-way interface
  • Use with HPI Roto Start or Roto Start 2 starter units
  • Requires #107829 14mm hex one-way bearing installed on the engine

Compatibility Guidance

Suggested compatibility: HPI Nitro Star F & G Series engines that use a 14mm hex one-way bearing. Please refer to the HPI Roto Start Compatibility Guide to confirm suitability for your specific engine.

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#120277 - ROTO START BACK PLATE V3 14MM HEX

Roto Start back plate for the F & G Series Nitro Star Engines that use a 14mm hex one-way bearing.

To use this back plate, your F or G Series engine must be fitted with #107829 - ONE WAY BEARING 14mm HEX FOR PULLSTART/ROTOSTART

Use with any Starter unit from a Roto Start or Roto Start 2 system

Please see our Roto Start Compatibility Guide to check if this is the right Roto Start system for you.



Key Info:
  • Brand: HPI
  • Part No: HPI-120277
  • Barcode: 5050864023740
Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

Available at checkout

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Questions & Answers
Real questions from real customers. Why not ask your own?
could you tell me please if the back plate screws are 30mm or 32mm apart?
Daniel Taylor / 7th November 2023

These are 30mm

Steve @ Wheelspin Models
When will this be back in stock?
Ben / 9th August 2023

Due dates if known are listed below the add to cart button.

Steve @ Wheelspin Models
Hi I have a savage with am f5.9. The back plate has stripped. This has been out of stock a while now and has just had 6 weeks added to the wait time. Is there another option to replace the back plate which will work with the roto start? Thank you
Ash / 26th February 2023

I'm very sorry but this is the only one I know to for that car.

Si @ Wheelspin Models
Hi will this fit the force R36 engine Many thanks
Ed / 15th January 2021

Afraid I',m not sure on that sorry. It should fit the Force .21 and .28 however (if using a 14mm bearing)

Ben @ Wheelspin Models
Would this fit the hpi Ken block 3.0
Jamie / 9th January 2021

Yes that should fit

Ben @ Wheelspin Models
Would this fit a hpi bullet st?
James / 3rd January 2021

Yes, if you're running a 14mm hex

Ben @ Wheelspin Models
Will this fit my thunder tiger tomahawk st
Wayne Cox / 2nd June 2020

No, sorry

Ben @ Wheelspin Models
Will this fit my Nitro Thunder 0.15 (2.2cc) FR-15S motor? I have a 14mm bearing
Stephen Duffy / 17th May 2020

No, doubtful

Ben @ Wheelspin Models
Would this fit my savage big block
John Suckling / 8th May 2020

Yes if it has an F Series engine with a 14mm hex one way bearing

Ben @ Wheelspin Models
Hello will this fit TRX 3.3 engine with a 14mm one way bearing
Jeff / 5th May 2020

No. For TRX3.3 you want TRX5211R

Ben @ Wheelspin Models
Will this fit a hpi trophy buggy 3.5? Thanks
Elliot / 14th April 2020

Yes if you have a 14mm hex one way bearing

Ben @ Wheelspin Models
Hi there would this fit the hpi nitro rush evo to replace the pull start many thanks its 14mm hex
Ryan / 5th April 2020

Afraid this won't fit the T-15 in your rush, sorry

Ben @ Wheelspin Models
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HPI One Way Bearing 14mm Hex (Suits 6mm Shaft)