HMF Engineering

643562360001

HMF EFI Optimizer Controller | Yamaha WR250R/X 2008 - 2013

Fuel Injection

Pre-loaded map developed by HMF specifically for quads that run a HMF exhaust.
No laptop necessary/push button tuning on the fly.
Uses load based technology which allows for tuning in every gear.
Ability to add fuel without altering the stock fuel map.
Push button interface to allow quick fine tuning.

The HMF Optimizer is an EFI Controller that has been programmed with the proper tuning specifications to ensure the ultimate performance from your HMF exhaust. With this "Plug 'N' Play" controller, you can be comfortable knowing your exhaust system is running at it's optimum performance. The proper tuning will ensure the full performance potential from your HMF aftermarket high performance pipe and is necessary on all machines.

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