s&s adjustable pushrods instructions

S&S Adjustable Pushrods⁚ Installation and Adjustment

This guide details the installation and adjustment of S&S adjustable pushrods. Proper installation is crucial for optimal engine performance and longevity. Failure to follow instructions may result in engine damage. Refer to diagrams and specifications for your specific model.

Choosing the Right Pushrods

Selecting the appropriate S&S adjustable pushrods hinges on several key factors. First, determine whether your rocker arms are S&S or stock. S&S rocker arms necessitate pushrods with oil holes for proper lubrication, while stock rocker arms utilize pushrods without these holes. Mismatched pushrods can lead to premature wear and engine damage. Next, consider your engine’s specific application; high-performance engines might demand pushrods constructed from stronger materials, such as chrome moly, for enhanced durability under increased stress. Pay close attention to the pushrod length. Incorrect length can cause valve train issues, such as insufficient valve lift or premature contact between the valve and piston. Consult S&S’s detailed specifications or a qualified mechanic to ensure compatibility with your engine’s make, model, and modifications. The correct pushrod length is critical for precise valve adjustment and optimal engine performance. Always verify the compatibility of your chosen pushrods with your specific engine configuration before installation.

Identifying S&S Pushrod Types

S&S offers various pushrod types, each designed for specific applications. A primary distinction lies in the presence or absence of oil holes. Pushrods with oil holes are designed for use with S&S rocker arms, ensuring adequate lubrication to the rocker arm components. Using the incorrect type can lead to premature wear and potential engine damage. Pushrods without oil holes are intended for use with stock rocker arms. Another key identifier is the pushrod’s material. Standard pushrods are typically made of steel, offering a balance of strength and cost-effectiveness. For high-performance applications, chrome moly pushrods provide superior strength and durability to withstand the increased stress and strain of high RPM operation. Furthermore, S&S pushrods might be differentiated by length, which is critical for proper valve adjustment. Incorrect length can result in poor engine performance or even valve damage. Always double-check the part number and specifications against your engine’s requirements to ensure a perfect fit and optimal function. Incorrect identification could result in costly repairs.

Pre-Installation Preparations⁚ Pushrod Cover Modification

Before installing S&S adjustable pushrods, inspect the pushrod tube covers for any sharp edges or imperfections. These sharp edges, especially common in pushrods utilizing 1/2 diameter tubing, can cause damage to the pushrods during installation and operation. To prevent this, carefully bevel any sharp corners found on the inside diameter of the pushrod tube covers. This modification can be achieved using a fine-grit file or a hand grinder. Take care to avoid removing excessive material, maintaining the structural integrity of the cover. Smooth, rounded edges ensure the pushrods slide easily into the covers, preventing unnecessary friction and potential damage. This preventative measure ensures a smooth and problem-free installation process, extending the life of both the pushrods and the covers. After modification, clean the covers thoroughly to remove any metal shavings or debris that may have been generated during the modification process. This preparation will allow for a clean and smooth installation, reducing the risk of contamination and ensuring optimal performance.

Installation Procedure⁚ Removing and Installing Pushrods

Removing and installing S&S adjustable pushrods necessitates rocker box removal. Before commencing, ensure the engine is completely cool to prevent burns. Loosen the rocker box mounting bolts and carefully lift the rocker boxes off the engine. Next, remove the old pushrods; note their orientation for consistent reinstallation. For S&S Quickee pushrods, screw the threaded adjuster fully into the pushrod until the threads disengage, allowing the adjuster to slide freely. This shortens the assembly for easier handling. When installing the new pushrods, begin with the adjuster fully retracted. Insert the pushrods into their respective locations, aligning them with the rocker arms and lifters. Once installed, carefully pull the adjuster down to re-engage the threads, adjusting to the appropriate length (as detailed in the adjustment section). After pushrod installation, reassemble the rocker boxes, tightening the mounting bolts to the manufacturer’s specified torque. Double-check all connections and ensure no components are loose or misaligned before starting the engine. Following these steps meticulously minimizes the risk of damage or incorrect installation.

Adjusting Pushrods⁚ Using the Threaded Adjuster

Precise adjustment of S&S adjustable pushrods is critical for optimal valve train function. Use the threaded adjuster located within each pushrod to achieve the correct valve lash. For Quickee pushrods, remember to count the flats on the six-sided female adjuster, not the four-sided male portion. S&S adjustable pushrods have a 32 threads-per-inch pitch. Begin by loosening the locknut on each pushrod. Rotate the engine slowly to bring the cam to its base circle for the tappet you are adjusting. Observe the intake valve; as it opens, the pushrod will extend; as it closes, the pushrod will retract. Continue rotating until the piston reaches top dead center (TDC). At this point, the valve should be fully closed. Using a feeler gauge, measure the valve lash according to your engine’s specifications. Adjust the pushrod length using the threaded adjuster until the correct lash is achieved. For optimal performance, aim for the plunger to be near the center of its travel (approximately 4 turns or 24 flats, equal to 0.125″). Once the correct adjustment is reached, securely tighten the locknut. Repeat this process for each pushrod individually. Failure to achieve precise adjustment may lead to poor engine performance and potential damage.

Precise Adjustment for Optimal Performance

Achieving precise pushrod adjustment is paramount for peak engine performance and longevity. Incorrect adjustment can lead to decreased power, valve float, and even engine damage. The goal is to set the valve lash precisely according to the manufacturer’s specifications. This ensures proper valve operation and minimizes wear on the entire valve train. When adjusting, remember that the pushrod plunger should ideally be near the center of its travel. This typically translates to 4 turns or 24 flats of the adjuster, resulting in a 0.125-inch adjustment. However, always consult your engine’s specific specifications for the exact valve lash requirements. Use a reliable feeler gauge to accurately measure the lash. After making adjustments, always recheck the lash to ensure accuracy. If using a hydraulic lifter system, ensure the lifter is fully bled down before finalizing the adjustment. Pay close attention to the details; even small discrepancies can significantly impact performance. Regularly check and re-adjust pushrods as needed to maintain optimal engine health. Remember, consistent and accurate adjustments are key to maximizing your engine’s potential and extending its lifespan.

Troubleshooting Common Issues

While S&S adjustable pushrods are generally reliable, some issues might arise. If you encounter ticking noises, it could indicate incorrect valve lash adjustment. Recheck the lash using a feeler gauge and readjust as needed, ensuring the plunger is near the center of its travel. Leaks around the pushrod covers often stem from worn or damaged O-rings. Replacing the O-rings with new ones, lubricated with a small amount of clean engine oil, is a simple solution. Difficulty adjusting the pushrods might be due to binding or seizing. Check for any obstructions or corrosion in the pushrod tubes or rocker arms. Clean and lubricate these areas as necessary. If the pushrods are excessively difficult to adjust, it could signal a more serious issue, such as a problem with the lifter or rocker arms. In such cases, a professional mechanic should inspect the engine. Remember, always refer to the specific instructions for your engine model before attempting any adjustments. Improper adjustments or troubleshooting attempts can cause severe engine damage. If unsure, always consult a qualified mechanic to diagnose and resolve any issues you encounter. Prioritize safety and proper maintenance to maintain optimal performance.

S&S HL2T Kit Integration

The S&S HL2T (Hydraulic Lifter Limiter Travel) kit significantly alters the pushrod adjustment procedure. If this kit is installed in your tappets, standard S&S pushrod adjustment instructions are inapplicable. The HL2T kit’s function is to control and limit the travel of the hydraulic lifters, preventing damage from excessive valve float at high RPM. Integrating the HL2T kit requires careful adherence to its specific instructions, which will differ from the standard pushrod adjustment. These instructions will provide precise steps for setting the correct valve lash considering the HL2T’s limitations. Failure to follow the HL2T’s instructions may result in improper valve clearance, leading to poor engine performance, potential valve damage, or even engine failure. Before attempting any adjustments, thoroughly review the HL2T kit’s installation and adjustment manual. It’s critical to understand the interplay between the HL2T and the pushrods for successful integration. This ensures optimal engine performance while leveraging the protective features of the HL2T kit for extended engine life and reliability.

Maintaining S&S Pushrods⁚ Cleaning and O-ring Replacement

Regular maintenance ensures the longevity and optimal performance of your S&S adjustable pushrods. Periodic cleaning is recommended to remove any accumulated dirt or debris that might impede smooth operation. Use a clean, lint-free cloth and a suitable solvent to gently wipe the pushrods. Inspect the pushrods for any signs of damage, wear, or bending. Pay close attention to the O-rings at both ends of the pushrods and within the pushrod covers; these are vital for sealing and preventing oil leaks. If the O-rings show any signs of wear, cracking, or damage, they should be replaced immediately. Use only genuine S&S replacement O-rings or equivalent high-quality parts to ensure a proper seal. Apply a thin layer of clean engine oil to the new O-rings before installation to aid in assembly and prevent damage. During reassembly, ensure all components are properly aligned and seated to prevent leaks and maintain the integrity of the pushrod system. Neglecting maintenance can lead to oil leaks, reduced performance, and potential engine damage, so routine checks and timely repairs are essential.

Essential Tools and Resources

Successfully installing and adjusting S&S adjustable pushrods requires the right tools; A torque wrench is essential for tightening fasteners to the manufacturer’s specified torque values, preventing damage to engine components. Precision measuring tools, such as a dial indicator or feeler gauges, are necessary for accurate pushrod length adjustment. A suitable socket set with the correct sizes for your engine’s fasteners will be needed. Having a service manual specific to your motorcycle model is crucial; it provides detailed instructions, torque specifications, and diagrams. Clean rags and appropriate solvents are essential for cleaning pushrods and components before installation. A magnetic parts tray will help keep track of small parts and prevent loss. If working on the engine, consider using engine stands for safe and stable access. Online resources, such as the S&S Cycle website and various motorcycle forums, offer additional information, troubleshooting tips, and community support. Remember, safety is paramount; always disconnect the battery before working on the engine and wear appropriate safety gear.