Which insert for what▾
AE32020 inserts for the VHM head AA33003
CR250R '92-96
CR250R '92-96
CR250R '92-96 VHM standard: 1992–1996, dome piston
CR250R '97-01
CR250R '97-01
CR250R '97-01 VHM standard: 1997–2001, flat top piston
In general: smaller volume = higher compression = more pull but better fuel needed; larger volume = lower compression, the engine revs out more freely and tolerates pump fuel. If in doubt, take the standard.
Based on the VHM manufacturer charts.
VHM head insert Honda CR 250 R 92-01 – B 20.60 cc
SKU: AE32020-B
Insert (combustion chamber)
Price incl. VAT (23%)
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24-month warranty
on all parts
Which insert for what▾
AE32020 inserts for the VHM head AA33003
CR250R '92-96
CR250R '92-96
CR250R '92-96 VHM standard: 1992–1996, dome piston
CR250R '97-01
CR250R '97-01
CR250R '97-01 VHM standard: 1997–2001, flat top piston
In general: smaller volume = higher compression = more pull but better fuel needed; larger volume = lower compression, the engine revs out more freely and tolerates pump fuel. If in doubt, take the standard.
Based on the VHM manufacturer charts.
Exchangeable combustion chamber (insert) for the VHM cylinder head AA33003. Chamber volume 20.60 cc. 🔴 The insert fits ONLY the VHM head AA33003 — it cannot be fitted into the OEM head. For the stock (OEM) piston. This is the VHM standard insert for this head — the default choice if you are not sure which one to pick. Quick to change — the insert simply sits in the head and seals with O-rings. The last characters of the part number are engraved on the insert, so you cannot mix them up. Fits: Honda CR 250 R (1992–2001).
