Rev F 6/08 These instructions are for all models of 120” or 131” Alpha, Beta Engines (Including Kits)
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits The following instructions are for both 120“ or 131” Engine Assemblies” and “Engine Kits”, (top end not assembled). These instructions will have information not only for assembly of the engine but will have helpful info in other areas such as: the drive line area, electrical, tuning, oiling, and frame info, etc Read thoroughly before starting any assembly.
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits Recommended Ignition 1999-03 “A” and 2000-03 “B” models we recommend the Screamin’ Eagle® adjustable ignition JIMS® No.1286-1379 or H-D® No.32704-01. On 2004-2006 “A” and “B” models we recommend the Screamin’ Eagle® Race Tuner Ignition JIMS® No.1286-1376 or H-D® No.32124-04. These are for carburetor models only and these must be ordered separately.
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits loaded parts separated by an oil film only a millionth of an inch thick. If a particle of dirt larger than the oil film gets between those parts, they will be damaged. A particle of sandpaper, in the wrong place, may start a chain of events that can either shorten the wear-life of your new engine or cause it to fail completely. This is not an exaggeration.
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits Box One Engine Race Kit Installation Instructions Inspection of parts for box 1 Fig.3 - Box 1 components - See Page 9 For “B” Engine, 06 FXD, & 07 FL to Pres Part No. 1486-1835 For “A” Engine, 99-06 FL, 99-05 FXD Part No. 1286-1346 (Black) Part No.
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits Oil Filter Mount for Engine “A” 99-06 FL, 99-05 FXD • • • Remove from package and inspect for debris and imperfections. Verify the package includes three (3) bolts with washers and one (1) locking flange. Check that there are two o-rings present. Tools necessary for box 1 installation: See Fig.
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits STEP 1: Preparation • Inspect the entire surface of the studs for damage. See Fig.5 • Minor scratches are okay in the body of the stud. • The threaded portion of the studs must not have deformities that stud would cause binding between the cases or head bolts. • Set aside and cover.
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits IMPORTANT NOTE: Use a head bolt and the furnished cylinder dowel pin to drive the studs. CAUTION: Loctite 620 sets extremely quick, do not stop until the stud has been installed to the correct height.
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits STEP 5: Oil filter mount installation • • • Remove stickers located over 2 holes located where filter mounts to case. Refer to the instructions included with your oil filter mount kit for Engine “A” 99-05 FXD, and 99-06 FLH. For Engine “B” and 06-Pres.FXD remove 1-7/8 sticker from case where filter mounts.
No.1208-1351 Rev F 6/08 A Division of Thiessen Products, INC Instruction Sheet For Box 1 120” Or 131” Engine Assemblies Or Engine Race Kits BOX 1 Materials Check-Off Sheet Part No. No. Part ® H-D H-D® No. No. Description Description Qty. Qty. 1290-1309 120” Lower End Assembly (Black) “A” 1999-Pres. FL, 99-05 FXD 1 1290-1315 120” Lower End Assembly (Sliver) “A” 1999-Pres. FL, 99-05 FXD 1 1390-1309 131” Lower End Assembly (Black) “A” 1999-Pres.
