General Information and Disclaimer

The information provided here includes modifications which require workshop experience as well as mechanical and metalworking skills.

The information is provided as is, every effort has been made to ensure it is accurate and correct, but you use it at your own risk.

Crossroadz promotes safe motorcycling and some of these modifications are intended to tailor controls to the individual rider to improve the safety of operation of the controls and machine.

Crossroadz does not endorse work which voids warranties so we encourage you to ensure any work you do is of the highest quality, does not void your warranty and most importantly, is safe.

If you have any doubts about your ability to complete any of the modifications we recommend printing the information sheet and engaging a qualified and experienced mechanic or engineer to complete the work on your behalf. The cost will be insignificant compared to the risk of not being able to complete the work yourself.

The information here does not provide details on standard BMW procedures, it is assumed the BMW procedures are known or the workshop manual is at hand.

The information is intended as a supplement to the BMW procedures. In some cases adding information lacking in the BMW documentation and in other cases providing information on alternative parts.

Other sources of information are, online fiche & forum threads. The links pages have links to other owner sites. is useful to check what other models share the same parts as the GS. Some sub assemblies are not shown as separate GS parts but are available separately on other models. Hand Grips for example.

The engines fitted to the various year models & TR650 can be considered in 5 variants.

F650GS 00-04 - Single Spark. Rotax built engine, many parts common to 05-07

F650GS 05-07 - Dual Spark, Rotax built engine, many parts common to 00-04

Xchallenge, Xcountry 07, Xmoto - Rotax built engine, many parts common to 05-07, some G650GS 08-15 parts

Xcountry 08-09, G650GS 08-15, Sertao - BMW built Rotax engine, new Part No's, not all parts actually different

Husqvarna TR650 Terra, Strada - BMW built Rotax engine, redesigned crank/conrod/piston/head/valves/cams


The site is updated periodically so use the refresh button to ensure the information is the latest

The About Section has specifications, routine maintenance and service information

The Utilities Section has firmware and diagnostics information.