If you wrench on a KLR or an older KL series twin, you already know this part number. The Oil Filter H F123 For Kawas Aki KL250 KL600 KL650 KLR650 KLX650 1977-2016 hits that sweet spot between OEM reliability and rider-friendly pricing. I’ve been on enough gravel detours to care more about filtration than packaging copy, and—surprisingly—this one holds up in real-world use.
Industry trend? More riders want balanced media: not just paper, but blended cellulose/synthetic to catch fine particulates without choking flow. Adventure and commuter segments (hello, KLR650) push for longer drain intervals, stable bypass valves, and verified test data. In fact, shops tell me supply consistency and quality certificates now matter as much as price.
| Model | Oil Filter H F123 For Kawas Aki KL250 KL600 KL650 KLR650 KLX650 1977-2016 |
| Media | Cellulose/synthetic blend (pleated), epoxy-bonded; steel end caps |
| Filtration | β20 ≥ 75 (≈98.7% at 20 μm), lab-tested per ISO 4548-12 style method; real-world use may vary |
| Bypass valve | Opens ≈0.55–0.8 bar (8–12 psi) to protect during cold starts |
| Burst/collapse | Burst > 15 bar; collapse per ISO 4548-6 guidelines |
| Service life | Around 4,000–6,000 km under mixed riding; follow bike manual for change intervals |
| Origin | Xiangjiang Street South, Jinggangshan Road West, Qinghe County, Xingtai, Hebei |
Applications include KL250/KL600/KL650/KLR650/KLX650 (1977–2016) plus crossover models listed by many parts databases. The description also notes compatibility with KZ250 D1/D2 (80–81) and KL650 EJS (KLR650) variants. For daily commuters, rental fleets, and long-haul ADV riders, the Oil Filter H F123 For Kawas Aki KL250 KL600 KL650 KLR650 KLX650 1977-2016 offers predictable cold-start protection and steady delta-P across the service interval.
| Vendor | Media area | Efficiency | Bypass | Notes |
|---|---|---|---|---|
| This HF123 | ≈2.2 m² | β20 ≥ 75 | 8–12 psi | Balanced flow; good cold-start behavior |
| OEM reference | ≈2.0–2.3 m² | High | Specified | Pricier, consistent availability varies |
| Budget no‑name | ≈1.6–1.9 m² | Unstated | Unknown | Cheap, but variability reported |
For distributors: private labeling, carton/barcode customization, and media tweaks (higher β-ratio for dusty regions) are available on MOQ. Origin facility in Xingtai, Hebei supports batch traceability—handy when fleets want clean audit trails.
A regional rental fleet running KLR650s reported fewer cold-start pressure spikes after switching to the Oil Filter H F123 For Kawas Aki KL250 KL600 KL650 KLR650 KLX650 1977-2016, especially on 10W-40 in shoulder-season temps. To be honest, that tracks with the bypass calibration. Many customers say the gasket seats cleanly—less weeping than a couple of bargain filters they tried.
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