WP AER Spring Conversion Kit Young Heroes 85cc – Dal Soggio – WITHOUT Springs
Dal Soggio Young Heroes 85cc spring conversion kit for compatible KTM and Husqvarna 85cc motorcycles equipped with WP AER front forks, replacing the pneumatic spring system with a conventional coil-spring setup. This SKU is supplied without springs.
$599.99
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Product Description
The Dal Soggio 1P.SPRKITYHER85CCNOS Young Heroes 85cc Spring Conversion Kit is designed to convert compatible WP AER front forks from an air-spring system to a conventional mechanical spring configuration.
Developed specifically for 85cc KTM and Husqvarna off-road motorcycles, the kit replaces the pneumatic portion of the original fork while retaining the rest of the suspension architecture.
The purpose of the conversion is to provide the more traditional and predictable behavior of a coil-spring fork while eliminating dependence on the original air-spring system.
Dal Soggio describes this solution as a simple but functional upgrade: the conversion focuses only on the pneumatic side of the fork rather than replacing the complete cartridge or damping system.
This specific SKU is supplied WITHOUT springs, allowing the suspension technician or rider to select the most appropriate spring rate separately according to rider weight, riding level, terrain, and chassis setup.
Dal Soggio lists the following spring-rate options for the Young Heroes 85cc system:
- 7.1 N/mm
- 7.5 N/mm
- 7.9 N/mm
The correct spring rate should be selected as part of the complete suspension setup rather than solely by motorcycle model.
Key Features
- Converts compatible WP AER 85cc front forks from pneumatic operation to a traditional coil-spring system
- Developed specifically for compatible KTM and Husqvarna 85cc off-road motorcycles
- Upgrade replaces the pneumatic spring portion while retaining the original fork structure
- Supplied without springs, allowing the correct spring rate to be selected separately
- Compatible spring-rate options within the Young Heroes 85cc system include 7.1, 7.5, and 7.9 N/mm
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Dal Soggio Race |
| Part Number / SKU | 1P.SPRKITYHER85CCNOS |
| Product Family | Young Heroes 85cc |
| Product Type | Front Fork Air-to-Spring Conversion Kit |
| Fork Platform | WP AER |
| Application Class | 85cc Off-Road |
| Primary Brands | KTM / Husqvarna |
| Conversion Type | Pneumatic spring to mechanical coil spring |
| Area Modified | Pneumatic / air-spring portion of the fork |
| Springs Included | No |
| Compatible Spring Rates | 7.1 N/mm / 7.5 N/mm / 7.9 N/mm |
| Installation Type | Internal front-fork conversion |
| Professional Installation | Recommended |
Application & Compatibility
The 1P.SPRKITYHER85CCNOS is intended for compatible 85cc KTM and Husqvarna motorcycles equipped with the corresponding WP AER front fork.
Compatibility depends on the exact fork configuration rather than motorcycle displacement alone.
Because the kit converts only the pneumatic side of the suspension, the existing fork must match the WP AER architecture for which the Young Heroes 85cc conversion was developed.
The actual fork specification should always be verified before ordering or installation.
How the Spring Conversion Works
The original WP AER system uses compressed air as the spring element.
The Young Heroes conversion replaces this pneumatic function with a conventional coil-spring system.
The conversion therefore changes the method by which the fork supports motorcycle and rider weight while retaining the remaining suspension structure.
The change from air to coil spring provides a more traditional mechanical spring characteristic and removes the need to use air pressure as the primary spring-force adjustment.
Spring Selection
This SKU is supplied without springs.
Dal Soggio offers three spring-rate options for the Young Heroes 85cc platform:
| Spring Rate | Setup Position |
|---|---|
| 7.1 N/mm | Softer option |
| 7.5 N/mm | Intermediate option |
| 7.9 N/mm | Firmer option |
Spring selection should be based on:
- rider weight;
- riding level;
- track or terrain conditions;
- desired sag;
- braking support;
- overall chassis balance.
The spring rate should therefore be chosen as part of a complete suspension setup.
Without Springs Version
The NOS / Without Springs configuration is intended for users who already have the required springs or who want to select the spring rate separately.
No spring rate should be considered included with SKU 1P.SPRKITYHER85CCNOS.
This distinction is important when comparing it with complete Young Heroes conversion packages that may be supplied with springs.
Installation Note
Installation requires disassembling the WP AER fork and replacing the relevant pneumatic components with the Dal Soggio spring-conversion hardware.
Correct spring selection, assembly, preload, oil level, bleeding, and final suspension setup are essential for proper operation.
For this reason, installation and setup by a qualified suspension technician or Dal Soggio specialist are recommended.