Clutch Bell Spacer Origin Rotax

The label of 17.6 mm long is a precision piece located on the crankshaft, just behind the clutch bell. Identified under the Number 11 on the technique burst, it is crucial for the proper positioning of your transmission.

Why is the quality of origin is important?

• Dimensions to Micron: 15 mm interior, 17 mm outside and 17.6 mm in length. A gap of a few tenths would be enough to block the clutch or create an excessive game.

• Surface treatment: Designed to withstand friction and heat released by the clutch in the skating phase.

• Longevity: Do not deform under the tightening pressure of the crankshaft nut.

Compatibility:

• Rotax 125 max, junior, mini, microphone (all versions evo and non-EVO).

💡 Michel's Tip (Magickart):

"We often forget it at the bottom of the cardboard during a disassembly, but this little spacer is vital!

My Pro Council: Each replacement of your bell or pinion, check the support faces of the spacer. If they are marked or blue by heat, change it immediately. A bad condition can cause a case of the needle cage or pinion.

The little more: Enjoy it for very lightly grease the outer part with high temperature grease to facilitate future disasters. "

🛠️ Tuto: How to replace your clutch spacer?

Here are the steps for a clean intervention on your engine Rotax :

1. Disassembly: Remove the chain protector, then unscrew the crankshaft nut (17mm socket) by blocking the starter or with a shock wrench.

2. Removing the bell: Remove the wedging washer and clutch bell. You will see the spacer (n ° 11) on the crankshaft.

3. Cleaning: Before setting the new spacer, clean the crankshaft with brake cleaner to remove old grease residues.

4. Installation: Slide the new spacer 15x17x17.6 mm. She must return freely without forcing.

5. Reassembly: Replace the needle cage (greased), the bell, washer and nut.

6. Verification: Once tight, check that the bell rotates freely by hand. If there is a hard point, disassemble to check the alignment.

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