Yamaha Service Manual - 4HP 5 HP 2 Storke - LIT-18616-00-02 Models 4LD, 4LF, 4LG, 4LH, 4LJ, 4LK, 4LN, 4MLH, 4MLHP, 4MLHQ, 4MSH, 4MSHP, 4MSHQ, 4SD, 4SF, 4SG, 4SH, 4SJ, 4SK, 4SN, M4LD, M4LF, M4LG, M4LH, M4LJ, M4LK, M4LN, M4MLHP, M4MLHQ, M4MSHP, M4MSHQ, M4SD, M4SF, M4SG, M4SH, M4SJ, M4SK, M4SN. 5LK, 5LN, 5MLH, 5MSH, 5SK, 5SN, M5LK, M5LN, M5SK, M5SN