Air filter element
Verified- 11013-0752 — Kawasaki FR730V — commercial-grade air-cooled V-twin used as a factory engine option on Bad Boy, Kubota Z400-series and other commercial mowers
Confirmed identical across two independently-checked spec codes (FR730V-AS04 and FR730V-AS10) of the 87 that exist for this engine model. Maintenance Parts diagram, callout 11013: ELEMENT-AIR FILTER, Kawasaki 11013-0752. A second, physically smaller safety element (11029-0031) also exists behind the primary element on this diagram — not published here since the primary element is the routine service item.
Source: PartsTree OEM parts diagram — Kawasaki FR730V-AS04 (cross-checked against FR730V-AS10) — Maintenance Parts diagram, callout 11013: ELEMENT-AIR FILTER, Kawasaki 11013-0752. Identical on FR730V-AS10.
Spark plug
Verified- BPR4ES — Kawasaki FR730V — commercial-grade air-cooled V-twin used as a factory engine option on Bad Boy, Kubota Z400-series and other commercial mowers
Confirmed identical across two independently-checked spec codes (FR730V-AS04 and FR730V-AS10) of the 87 that exist for this engine model — Kawasaki designates the plug directly by its NGK number. Maintenance Parts diagram: PLUG-SPARK,BPR4ES(NGK), Kawasaki BPR4ES.
Source: PartsTree OEM parts diagram — Kawasaki FR730V-AS04 (cross-checked against FR730V-AS10) — Maintenance Parts diagram: PLUG-SPARK,BPR4ES(NGK), Kawasaki BPR4ES. Identical on FR730V-AS10.
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