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Engine Starter System Specification Example for Off-Road Bikes: Standard Replacement

Source:Aftermarket Engine Brackets / Time:2026-09-18

Engine Starter System Specification Example for Off-Road Bikes: Standard Replacement

This is a worked specification for engine starter system in a standard replacement 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 standard replacement version exists because the duty cycle on off-road bikes is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually inconsistent hardness between lots.

Engine Starter System

Example specification

ItemEngine Starter System
ApplicationOff-Road Bikes
VersionStandard Replacement
Base materialAnodised Aluminium
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.5 mm
Finishanodised
MOQ500 pieces per specification
Sampling10 working days, 5 days per revision
ComplianceTUV

How the example is built up

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

Engine Starter System example

Processes involved

  • die casting
  • anodising
  • injection moulding
  • cold forging
  • precision stamping
  • laser cutting

Where this example applies

Programmes that run standard replacement most often specify this build for off-road bikes. Related applications include three-wheelers, rental motorcycles, off-road bikes, export programmes, long-haul trucks.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 2.5 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

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 500 pieces per line.

How long does sampling take?

Samples leave the factory in 10 working days, and each revision round adds about 5 days once you have seen the first piece.

What is the minimum order quantity?

The standard MOQ is 500 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

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.

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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