| Management number | 212542749 | Release Date | 2026/04/06 | List Price | $15.38 | Model Number | 212542749 | ||
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HONDA ATC250R & TRX250R FOURTRAX 249cc 2-STROKE (1985-1989): ATC250R Honda 249cc 2-Stroke Liquid-Cooled Single Cylinder (1985-1986) TRX250R FourTrax 250R Honda 249cc 2-Stroke Liquid-Cooled Single Cylinder (1986-1989) OEM PART NUMBERS: Honda (ATC250R .50mm over): 13104-HB9-305 / 13104HB9305 Honda (TRX250R .50mm over): 13104-961-003 / 13104961003 WSM Aftermarket: 51-205-05 Piston Ring Set — Honda ATC250R / TRX250R 249cc 2-Stroke, +0.50mm 66.50mm: Replacement piston ring set for the Honda 249cc 2-stroke liquid-cooled engine used in the ATC250R (1985-1986) and TRX250R FourTrax (1986-1989). This is a +0.50mm oversize ring set for 66.50mm bored cylinders. Standard bore is 66.00mm. Ring set only — does not include piston, wrist pin, or clips. Cylinder must be professionally bored or honed to 66.50mm before installation. ⚠️ IMPORTANT: Measure cylinder bore before ordering. Verify OEM part number from your engine.
| Brand | Rareelectrical |
|---|---|
| Model | Aftermarket Piston Ring Set |
| Exterior | Machined |
| Item Weight | 1 pounds |
| Manufacturer | RAREELECTRICAL |
| OEM Part Number | 13013-HA2-003 13013HA2003 |
| Item model number | 51-205-05*1 |
| Product Dimensions | 6 x 4 x 4 inches |
| Manufacturer Part Number | 51-205-05*1 |
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