I have spoke about how important the torque specs are on the 2020 Honda CRF450R before, but in a recent test session with the 2021 CRF450R, this statement never became more true. As always I am looking for more comfort out the 2021 Honda CRF450R chassis even though it is slightly more forgiving than the 2020 version. Out of all the bikes that I ride, I feel like the Honda fits me the best ergonomically, but it’s always a struggle for me to find comfort when I hit rough tracks. If I go to a soft bumpy track, I really enjoy riding the 2021 CRF450R, but when I get to a rough/choppy dry type of track, the Honda just beats me up too much.
So for 2021, I thought I would revisit some torque specs on the CRF450R chassis and see if it helps as much as it did with the 2020 CRF450R. I spent a few days experimenting with torque settings and have came up with the spec chart below. What these updated torque specs do is slightly improve the bump compliancy and front/rear wheel traction of the 2021 CRF450R. This isn’t a cure all, but you will feel a little extra comfort in your red ride. If you don’t see a torque spec on a portion of the bike that is not below, don’t freak out, just go with the stock recommended torque spec. I experimented with a lot of different parts of the chassis with torque specs and the bolts/nuts below make the mosts difference on the red machine. It may not seem like much, but it’s the little things on this bike that can make the Honda chassis FUN for the average guy. Out of all of the machines that I have experimented with on torque settings, this bike reacts the most to it, so pay attention to your nuts/bolts on your Honda!
Follow the torque spec sheet below and make sure to blue Loc-Tite the bolts/nuts on each to ensure you have no issues down the road.
Rear Axle Nut (Qty. 1):
Stock: 128 Nm
Updated Spec: 120 Nm
Fork Top Clamp Pinch Bolts (Qty. 4):
Stock: 22 Nm
Updated Spec: 19 Nm
Fork Bottom Clamp Pinch Bolts (Qty. 4):
Stock: 20 Nm
Updated Spec: 16-17 Nm
Swingarm Pivot Nut (Qty. 1):
Stock: 88 Nm
Updated Spec: 81 Nm
Front Engine Hanger Plate Bolts (Qty. 4):
Stock: 26 Nm
Updated Spec: 24 Nm
Front Engine Hanger Plate Nut (Qty. 1):
Stock: 54 Nm
Updated Spec: 51 Nm
Cylinder Head Hanger Bolt (Qty.2):
Stock 54 Nm
Updated Spec: 51 Nm
Cylinder head Hanger Plate Bolts (Qty 4):
Stock: 32 Nm
Updated Spec: 29 Nm
Shock Absorber Upper Mounting Bolt (Qty. 1):
Stock: 44 Nm
Updated Spec: 42 Nm