Carburionix BG55 Tune-Up Kit for Stihl BG45 BG46 BG55 BG65 BG85 – 2 Air Filters, Fuel & Ignition Parts

Carburionix BG55 Air Filter Tune Up Kit is a complete replacement set that refreshes airflow, fuel delivery, and ignition for compatible Stihl handheld blowers and vacuums.

Keep your Stihl BG and BR series small engines running reliably with a ready-to-install kit that replaces the air filter, fuel filter, spark plug, primer bulb and fuel line. This Carburionix bundle is engineered to match the fit and form of common Stihl part numbers (4229-120-1800, 42291201800, 42291241500, 100-739) and is offered as a practical tune-up option for routine maintenance between service intervals.

Which Stihl models will this kit work with?

The kit is made for several handheld Stihl blower and backpack blower models as well as some blower-vacuum variants. It’s designed to be compatible where the BG55-style filter and related replacement parts are specified.

• Compatible with Stihl BG45, BG46, BG55, BG65 and BG85 handheld blowers.
• Also fits Stihl BR45 and BR45C backpack blowers and BR200 where listed.
• Works with SH55, SH56, SH56C, SH85, SH86 and SH86C vacuum/blower models requiring the same filter style.

What parts are included and why they matter?

This tune-up kit bundles several wear items you’ll commonly replace together to restore performance. Replacing these components addresses common causes of poor starting, reduced airflow and fuel flow issues.

• 2x BG55-style air filters — renews filtration and airflow into the carburetor.
• 1x fuel filter and 1x length of fuel line — prevents debris and maintains fuel flow.
• 1x spark plug — restores consistent ignition timing and easier starting.
• 1x primer bulb — helps prime the carburetor for faster cold starts.

How do I install the kit parts — is it user-friendly?

Installation is straightforward for users comfortable with basic outdoor-equipment maintenance. Air filters and fuel filters typically snap or screw into place; the spark plug and primer bulb are simple swaps using basic hand tools.

• Air filter: open the housing, remove old filter, seat new filter and secure cover.
• Fuel filter/line: cut old line, insert new filter inline, and secure with clamps if needed.
• Spark plug: use a spark plug socket to remove and install with correct gap.
• Primer bulb: remove the old bulb from its seat and press the replacement into position.

What should I check before ordering to avoid returns?

Confirming your engine’s model number and OEM part references prevents mismatches and saves time. Visually compare the old air filter shape and the listed Stihl part numbers with your machine before purchasing.

• Check the blower model printed on the unit (e.g., BG45, BG55) and cross-check parts.
• Compare filter dimensions and mounting style with your existing filter.
• Inspect fuel line diameter and primer bulb seat to ensure fitment.
• Keep the original part numbers (4229-120-1800, 42291201800, 42291241500, 100-739) handy for reference.

Who is this for: The Carburionix BG55 Tune Up Kit is aimed at homeowners, landscapers and small-crew professionals who perform routine maintenance on Stihl handheld and backpack blowers. If you service your equipment between professional tune-ups or need a cost-effective parts bundle to restore starting reliability and airflow, this kit provides the core replacement components commonly required.