engine, rotax 1503 4-tec - Sea-Doo.net
engine, rotax 1503 4-tec - Sea-Doo.net
engine, rotax 1503 4-tec - Sea-Doo.net
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Section 01 ENGINES (<strong>1503</strong> 4-TEC)Subsection 03 (PTO HOUSING AND MAGNETO)Withdraw rotor no. 19 with trigger wheel no. 20.Properly reinstall cover.231InstallationFor installation, reverse the removal procedure.However, pay attention to the following.Trigger wheel position has to be located with thelocation pin on the crankshaft gear.Apply Loctite 243 (P/N 293 800 060) on threads.Torque rotor screws to 24 N•m (17lbf•ft).RING GEARR<strong>1503</strong>motr53A1TYPICAL1. Hexagonal screws2. Rotor3. Trigger wheelInspectionCheck rotor, bent teeth and trigger wheel condition.If damaged, replace faulty part.To check the trigger wheel for bent teeth, proceedas follows.Install a dial indicator on crankcase casting. Positionthe gauge on a tooth and set it to zero (0).Rotate flywheel and check needle movement.Themaximumalloweddifferencebetweenteethis 0.15 mm (.006 in). Otherwise, straighten thetooth or replace the trigger wheel.RemovalLock crankshaft with locking tool (P/N 529 035821). Refer to CYLINDER BLOCK section.Remove:– PTO housing cover– hexagonal screws no. 18.Withdraw rotor no. 19, trigger wheel no. 20 andstarter ring no. 21.12342R<strong>1503</strong>motr54ATYPICAL1. Hexagonal screws2. Rotor3. Encoder wheel4. Ring gearInspectionCheck ring gear condition, especially teeth condition.If damaged, replace faulty part.R<strong>1503</strong>motr177A 11. Trigger wheel2. Dial indicatorInstallationFor installation, reverse the removal procedure.However, pay attention to the following.Ring gear and trigger wheel position has to be locatedwith the location pin on the crankshaft gear.smr2005-032 37