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2-49 2 GEN-0021 2. To replace a valve guide (A), use a valve guide remover from the top side of the cylinder to gen- tly pull the valve guide out of the cylinder. GEN-0017 3. Using a valve guide reamer (A) and handle (B), remove any burrs or tight areas from the valve guide journals. GEN-0018 4. Valve guide hole diameter (after reaming) intake and exhaust must be within specifications. 5. To install an oversized valve guide at room tem- perature, use a valve guide installer (A) and gen- tly drive a valve guide into the bore from the top side until the guide is set to the distance noted before removal. NOTE: Install the valve guide so the stepped part . GEN-0019 GEN-0020 6. After installing the guide, measure the inside diameter of the guide. The measurement must be within specifications. If the measurement does not fall within the specification or the valve does not move freely in the guide, use a standard valve guide reamer (A) and handle (B) to remove all burrs and tight areas that may remain in each valve guide. GEN-0022 |