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Single-Cylinder Engine Specification Example for Racing Teams: Fixed Type

Source:Durable Electric Bicycle Tire / Time:2026-09-18

Single-Cylinder Engine Specification Example for Racing Teams: Fixed Type

This is a worked specification for single-cylinder engine 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 racing teams is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually warranty claims traced back to a single lot.

Single-Cylinder Engine

Example specification

ItemSingle-Cylinder Engine
ApplicationRacing Teams
VersionFixed Type
Base materialBronze
Controlled dimensions4 key dimensions, recorded per lot
Tolerance band±0.5 mm
Finishas machined
MOQ200 pieces per specification
Sampling14 working days, 5 days per revision
ComplianceSGS

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Bronze, 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.

Single-Cylinder Engine example

Processes involved

  • surface grinding
  • ultrasonic cleaning
  • sintering
  • powder coating
  • laser cutting
  • electroplating

Where this example applies

Programmes that run fixed type most often specify this build for racing teams. Related applications include delivery vans, emergency vehicles, assembly programmes, agricultural trailers, scooter fleets.

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.

Can you match an existing sample?

Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.

What testing is included?

Standard lots ship with dimensional and hardness reports. SGS documentation is issued with the shipment when your market requires it.

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.

Send the specification you are working to and we will confirm what we can match, what we would change and why.

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