Take your time and look at it as you're taking it apart. The replacement of the gear detent mech. is not a big deal. It requires no muscle at all to get the screw aligned up with the screw hole during reassembly. The detent arm will rest *on top* of the detent during screw alignment, so the spring exerts no force.
The KTM 690 airbox is known to be restrictive, and modifying it can significantly improve performance. Rottweiler, CarbonFox, or Rade Garage airbox is the best option for the KTM 690. The Rade Garage airbox has a smaller intake surface but gives the option for an extra 6L fuel tank or extra storage for tools, first aid kit, rain jacket, etc. Tusk Engine Oil Seal Kit $9.99 – $19.17 MSRP: $12.99 – $28.18 You save up to 32% Rated 4.57 out of five stars. ★★★★⯪ Tusk Counter Shaft Seal Kit $15.99 – $26.99 MSRP: $19.99 – $33.99 You save up to 21% Delivery. Free UK Standard Delivery On All Orders Over £75. UK Standard Delivery £5.99. A delivery surcharge will apply for shipping to post codes in Highlands and Islands which will be clearly shown on your basket prior to checkout. QQjkMN.