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Electric Motor Speed Controller Specification Example for Rental Motorcycles: Fixed Type

Source:Automotive Repair Tools / Time:2026-09-18

Electric Motor Speed Controller Specification Example for Rental Motorcycles: Fixed Type

This is a worked specification for electric motor speed controller in a fixed type programme. It is the document we would send a buyer who asks what exactly they are getting: the material, the dimensions that are actually controlled, the finish, and the checks that happen before anything is packed.

The fixed type version exists because the duty cycle on rental motorcycles is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually packing that arrived crushed at the port.

Electric Motor Speed Controller

Example specification

ItemElectric Motor Speed Controller
ApplicationRental Motorcycles
VersionFixed Type
Base materialForged Aluminium
Controlled dimensions4 key dimensions, recorded per lot
Tolerance band±0.1 mm
Finishas machined
MOQ200 pieces per specification
Sampling10 working days, 3 days per revision
ComplianceSAE J431

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Forged Aluminium, in this example.
  3. List the dimensions that are actually controlled and the tolerance on each.
  4. Name the finish and what it has to survive.
  5. State the inspection level and who pays when a lot fails.

Electric Motor Speed Controller example

Processes involved

  • robot welding
  • sintering
  • shot blasting
  • gravity casting
  • surface grinding
  • anodising

Where this example applies

Programmes that run fixed type most often specify this build for rental motorcycles. Related applications include rental motorcycles, export programmes, passenger cars, aftermarket retail, light trucks.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 4.0 sampling on the finished lot.
  • Finish inspection under agreed lighting.
  • Carton drop test on the first lot of a new packing specification.

Questions buyers ask

How is packing specified?

Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.

What is the minimum order quantity?

The standard MOQ is 200 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 200 pieces per line.

Can the specification be held on file?

Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the SAE J431-compliant build instead of a fresh interpretation.

Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.

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