Basemaps.net

Dyno-developed base maps.

Performance tunes matched to your Harley and installed parts.

Need professional help? Find an approved Basemaps.net Pro-Level Member near you.
Find a Pro-Level Dyno Shop
Powered by JCES™ J-Code Evaluation System — evaluates your bike, tuner, and installed parts against available Precision Basemaps.

How it works

1
Enter your VIN

We verify the bike so you don't buy the wrong map.

2
Choose your tuner

Select the tuning device you own so the correct file format is shown.

3
Pick your basemap

Filter by cam, exhaust, heads, intake, injectors, and more so JCES can show Precision Basemaps for your combination.

4
Accept terms and download

These are dyno-developed Precision Basemaps — not a replacement for a complete professional dyno tune.

JCES™ What is JCES™?

JCES™ stands for J-Code Evaluation System. Rather than making you guess which file fits, JCES evaluates your motorcycle, tuner, and installed components against available Precision Basemaps.

JCES does not replace a professional dyno tune. It is why Basemaps.net can show you the files that belong to your combination.

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