1. Product Overview
The Ohlins HO819 Rear Shocks are a high-performance suspension upgrade designed specifically for the Honda Monkey motorcycle. This set of two rear shocks provides enhanced handling, improved feedback, and superior performance compared to standard suspension components. Each shock is fully adjustable, allowing for precise tuning of compression, rebound, and spring preload to match rider preferences and riding conditions.
Figure 1: Ohlins HO819 Rear Shocks. This image displays the two rear shocks with their distinctive yellow springs and gold-colored reservoirs, indicating their premium construction and design.
2. Key Features
- Fully Adjustable Design: Allows for precise tuning of suspension characteristics.
- Compression Adjustment: Fine-tune the shock's resistance to compression.
- Rebound Adjustment: Control the speed at which the shock extends after compression.
- Spring Pre-Load Adjustment (HO819 36PRCL): Adjust the initial compression of the spring to set sag and ride height.
- Enhanced Performance: Engineered to improve handling, feedback, and overall ride quality.
- Vehicle Specific Fit: Designed for direct installation on 2019-2020 Honda Monkey models.
- Durable Construction: Manufactured from alloy steel with a black exterior finish for longevity and aesthetics.
3. Technical Specifications
| Attribute | Detail |
|---|---|
| Brand | Ohlins |
| Model Number | HO819 |
| Auto Part Position | Rear |
| Style | Compression |
| Vehicle Service Type | 2019-2020 Honda MONKEY |
| Exterior Finish | Black |
| Material | Alloy Steel |
| Automotive Fit Type | Vehicle Specific Fit |
| Manufacturer Part Number | HO819 |
4. Setup and Installation
Installation of the Ohlins HO819 Rear Shocks requires mechanical knowledge and specialized tools. It is highly recommended that installation be performed by a qualified motorcycle technician to ensure proper fitment, safety, and optimal performance. Incorrect installation can lead to damage to the motorcycle or injury.
4.1 Pre-Installation Checks
- Verify that the shock model HO819 is compatible with your specific Honda Monkey model year (2019-2020).
- Inspect all components for any signs of damage or missing parts before beginning installation.
- Gather all necessary tools, including a motorcycle lift or stand, torque wrench, and appropriate sockets/wrenches.
4.2 Installation Steps (General Guidelines)
- Secure the motorcycle on a stable stand, ensuring the rear wheel is off the ground and the motorcycle is stable.
- Carefully remove the original rear shocks, noting the orientation and any spacers or bushings.
- Install the Ohlins HO819 Rear Shocks, ensuring all mounting bolts are correctly aligned and tightened to the manufacturer's specified torque values.
- Ensure proper clearance for all moving parts and check for any interference.
- Once installed, perform an initial sag measurement and adjust spring preload as necessary (refer to Section 5.3).
Figure 2: Close-up view of Ohlins HO819 Rear Shock components. This image provides a detailed look at the lower mounting eyelet and adjustment knob, which are critical for installation and tuning.
5. Operating and Adjustments
The Ohlins HO819 shocks offer multiple adjustment points to fine-tune your motorcycle's suspension performance. Always make adjustments in small increments and test the changes in a safe environment. Keep a record of your settings for future reference.
5.1 Compression Adjustment
Compression damping controls how quickly the shock compresses when encountering bumps or during weight transfer. Adjusting compression affects the firmness of the ride. A firmer setting (more compression) provides better control during aggressive riding, while a softer setting (less compression) offers more comfort over rough terrain.
- Locate the compression adjuster (typically a knob or screw on the reservoir or upper body of the shock).
- Turn clockwise for firmer damping (more compression).
- Turn counter-clockwise for softer damping (less compression).
5.2 Rebound Adjustment
Rebound damping controls the speed at which the shock extends after being compressed. Proper rebound adjustment prevents the wheel from "packing down" over successive bumps and ensures the tire maintains contact with the road. Too fast rebound can make the bike feel bouncy; too slow can make it feel harsh.
- Locate the rebound adjuster (typically a screw at the bottom of the shock body).
- Turn clockwise for slower rebound.
- Turn counter-clockwise for faster rebound.
5.3 Spring Pre-Load Adjustment
Spring preload adjusts the initial compression of the spring, which primarily affects the motorcycle's ride height and static sag. Correct sag is crucial for optimal suspension performance and handling. Adjusting preload does not change spring stiffness but rather the point in the shock's travel where the spring begins to work.
- Use the provided tool (if applicable) or a suitable spanner wrench to turn the spring preload collars.
- Tighten the collars (compressing the spring) to increase preload and raise ride height/reduce sag.
- Loosen the collars (decompressing the spring) to decrease preload and lower ride height/increase sag.
- Always ensure the locking collar is tightened after adjustment to prevent loosening during operation.
6. Maintenance
Regular maintenance is essential to ensure the longevity and consistent performance of your Ohlins HO819 Rear Shocks. Adhere to the following guidelines:
- Cleaning: Periodically clean the shocks with mild soap and water to remove dirt, grime, and road debris. Avoid high-pressure washers directly on seals.
- Inspection: Regularly inspect the shock bodies, springs, and mounting points for any signs of damage, leaks, or wear. Check for loose bolts.
- Seal Condition: Pay close attention to the condition of the seals. If any oil leakage is observed, professional service is required.
- Service Intervals: Ohlins recommends periodic servicing by an authorized service center to replace fluids and seals, ensuring optimal performance. Consult an Ohlins dealer for recommended service intervals based on your riding conditions.
7. Troubleshooting
This section provides general guidance for common issues. For complex problems, always consult a qualified technician or Ohlins authorized service center.
| Problem | Possible Cause | Solution |
|---|---|---|
| Harsh Ride | Too much compression damping; too much spring preload; incorrect spring rate. | Reduce compression damping; reduce spring preload; consult for correct spring rate. |
| Bouncy Ride | Too little rebound damping (too fast rebound). | Increase rebound damping (slower rebound). |
| Rear Wheel "Packing Down" | Too much rebound damping (too slow rebound). | Reduce rebound damping (faster rebound). |
| Oil Leakage | Damaged seals; internal component failure. | Immediately cease operation and seek professional service from an authorized Ohlins dealer. |
8. Warranty and Support
Ohlins products are manufactured to high standards and typically come with a manufacturer's warranty against defects in materials and workmanship. For specific warranty terms, duration, and conditions, please refer to the warranty card included with your product or visit the official Ohlins website.
For technical support, service, or warranty claims, please contact your authorized Ohlins dealer or the Ohlins customer service department. Ensure you have your product model number (HO819) and proof of purchase available when contacting support.
Contact Information: Please refer to the official Ohlins website or your purchase documentation for the most current contact details for support and service centers.
