351
99 0400001 - SB B9901016; New ignition module with improved moisture protection (503 96 24-04).
99 0699999 - SB B9900011; Last copy with old brake handle design
99 0700001 - SB B9900011; New brake handle design. Now same as 346XP.
99 4400251 - SB B0100027; New crankcase (503 85 69-75) with larger holes for movement limiters with new screws (503 21 51-01). New screws will not fit older crankcases.
99 5000006 - SB B0000018; New single-unit chain tensioner.
00 2000002 - SB B0000017; New ignition module (503 96 24-06).
00 3400001 - SB B0100026; New clutch drum (503 98 00-71).
00 3600001 - SB B0000034; New air filter with better fit to air horn.
00 3500501 - SB B0000032; New brake handle is 2mm longer and stronger.
00 3800001 - SB B0000033; New stronger clutch springs. Painted black.
00 4200601 - SB B0100031; New clutch cover (537 10 78-01) marked "AB" inside.
01 0500001 - SB B0100029; New starter (537 10 47-01).
01 4700001 - SB B0200019; New throttle bellows (537 14 65-01).
02 0200001 - SB B0200009; New SEM ignition module (537 16 21-01).
02 0200001 - SB B0200017; New Husqvarna-made cylinder with smaller transfers. Security-torx screws hold transfer caps on.
02 0700001 - SB B0200039; New reinforced crankcase, marked inside "AA" on clutch side & "Z" on flywheel side.
02 0800001 - SB B0200020; New, reinforced clutch (537 11 05-01).
02 2600001 - SB B0200048; Walbro HDA 196 (EPA) carburetor introduced.
02 3200001 - SB B0200055; Zama C3-EL17 (non-EPA) carburetor introduced.
02 3200001 - SB B0200077; New carburetor base (casting code "H") to prevent fuel line kinking.
02 3700001 - SB B0200055; Zama C3-EL18 (EPA) carburetor introduced.
353/353G.
02 4900800 - SB B0300007; Strengthened front heated handle for 353G (503 90 93-03).
02 5000905
03 0500001 - SB B0300006; New starter cover with additional ribs (537 10 47-02).
03 0500501 - SB B0300027; Metric crankcase screws replace PL screws.
03 1400001 - SB B0300025; New clutch cover marked "AG" inside for less lateral clutch movement.
03 2500001 - SB B0300028; New muffler support (503 94 19-01).
03 4200001 - SB B0300052; New air filters to reduce mounting wear.
03 4200001 - SB B0300053; Metric cylinder screws replace PL screws.
04 0700001 - SB B0400027; New ignition module 537 16 21-04
13-0500231 - DDD80
22 1400866 - (965 16 97-98)
357XP/XPG.
First ones have smaller 13mm wide connecting rod. (See Service Bulletin B0200011 below.)
01 4100301 - SB B0200009; New SEM ignition module (537 16 21-01).
02 0700001 - SB B0200011; New 15mm wide connecting rod requires new cylinder, piston, and piston pin. Previous 13mm wide connecting rod (along with older cylinder, piston and piston pin) is not forward compatible.
02 2301201 - SB B0200054; Walbro HDA 198 (non-EPA) & HDA 199 (EPA) carburetors introduced.
02 4602000 - SB B0300011; New throttle bellows (537 14 65-01).
02 4901428 - SB B0300006; New starter cover with additional ribs (503 93 06-02).
03 0500001 - SB B0300027; Metric crankcase screws replace PL screws.
03 0600001 - SB B0300024; New smaller chain catcher to reduce crankcase breakage (503 88 63-01).
03 1000348 - SB B0300033; Auto De-comp introduced.
03 1000442 - SB B0300025; New clutch cover marked "AG" inside for less lateral clutch movement.
03 4200401 - SB B0300050; Metric carburetor screws replace PL screws.
03 4700001 - SB B0400002; Reinforced clutch side of crankcase. Casting code "U".
03 4700001 - SB B0400034; New chain catcher kit to go with reinforced crankcase above (537 40 30-01).
04 0600401 - SB B0400027; New ignition module (537 16 21-04).
05 4400165 - Auto decomp removed; (965 55 11-00) XPG
359.
01 4200001 - SB B0200009; New SEM ignition module (537 16 21-01).
02 2100336 - SB B0200054; Walbro HDA 198 (non-EPA) & HDA 199 (EPA) carburetors introduced.
02 4500643 - SB B0300011; New throttle bellows (537 14 65-01).
02 5001387 - SB B0300006; New starter cover with additional ribs (503 93 06-02).
03 0500048 - SB B0300027; Metric crankcase screws replace PL screws.
03 0600001 - SB B0300024; New smaller chain catcher to reduce crankcase breakage (503 88 63-01).
03 1500001 - SB B0300025; New clutch cover marked "AG" inside for less lateral clutch movement.
03 4200901 - SB B0300050; Metric carburetor screws replace PL screws.
03 4700001 - SB B0400002; Reinforced clutch side of crankcase. Casting code "U".
03 4700001 - SB B0400034; New chain catcher kit to go with reinforced crankcase above (537 40 30-01).
04 0700001 - SB B0400027; New ignition module (537 16 21-04).