Mounting instructionsBM425Kit contentsShock absorber Type 46ER BM425 1Owners manual 1Sticker 0192-01 2Hook spanner 0710-02 1Sticker “Memo notes” 1180-01 1Set-up dataTotal length 335 mmStroke 92 mmPreload spring 10 mmRebound adjustment 18Compression adjustment ---NotesBM425 Issued 990618Öhlins Racing AB, Box 722, S-194 27 Upplands Väsby, Sweden.Phone +46 8 590 025 00, fax +46 8 590 025 80.E-mail: info@ohlins.seTraction, handling,comfort and safetyWARNING!If the shock absorber hasan adjustable end eye/bracket, this must not betreaded out more thanthat one groove is fullyvisible beneath the locknut. Make sure that thelock nut is tightened afteradjustment. GrooveWARNING!The shock absorber is provided with aseparate type reservoir filled with high-pressure nitrogen gas. To prevent dan-ger of explosion, study and make cer-tain that you fully understand the follow-ing information before handling theshock absorber. The manufacturer can-not be held responsible for damage toproperty or personal injury that may re-sult from improper handling.1. Never tamper with or attempt to dis-assemble the cylinder or the reservoir.2. Never expose the shock absorber toan open flame or other excessive heat.The shock absorber may otherviseexplode due to too high pressure.3. Be careful not to damage any part ofthe gas reservoir. A damaged gas res-ervoir will impair the damping perform-ance or cause malfunction.4. Take care not to scratch the contactsurface of the piston rod of the cylinder;oil could othervise leak out.5. Never attempt to remove the plug atthe bottom of the nitrogen gas reservoir.Any attempt to remove the plug impliesserious danger.6. When scrapping the shock absorber,follow the instructions for disposal.RecommendationsF1 - F2: 40 - 50 mmF1 - F3: 55 - 65 mmR1 - R2: 5 - 15 mmR1 - R3: 25 - 35 mmIssued 09 05 13