Nitro Star F4.1 Engine With Pullstart

NITRO STAR F4.1 ENGINE WITH PULLSTART

# 1408

4.1cc/Composite Slide Carb./New Port Timing/Rear Exhaust/Pullstart/Includes Air Cleaner and Glow Plug (R5)

Big Block Power for big trucks!
The HPI Nitro Star F4.1 is the next evolutionary step up from the proven HPI Nitro Star S25 engine. It features a new crankcase and upgrades to the cylinder, piston, connecting rod and crankshaft.

The F4.1 engine delivers more power, more torque and extra cooling. It is especially design for the high power needs of a big 1/8th scale monster truck!

Features:

Rear exhaust
ABC construction
Aggressive porting
Large, billet aluminium heatsink
Prepared for Roto System
Dual needle 7mm composite carb
Extra strong crank case
Purple anodised aluminium carb trim

Nitro Star F4.1
Engine Size: 4.1cm³ (0.25in³)
Brake Horse Power (BHP): 2.75
Exhaust Position: Rear
Starter: Pullstart (Op. Roto Start)
Compatible HPI Kits: All Savages

Download PDF instructions for #1408 (5.73 MB)

This part fits the following kits

Fits Kit	Standard Part	Option Part	Accessory
RTR SAVAGE 25 TRUCK WITH NITRO GT-1 TRUCK BODY
SAVAGE 21TRUCK ASSEMBLED WITH NITRO GT-1 TRUCK BODY
SAVAGE SS KIT WITH NITRO STAR S-25 ENGINE AND NITRO GT-1 TRUCK BODY
RTR SAVAGE 25 TRUCK LIMITED EDITION WITH 3 SPEED
RC KAWASAKI KFX 700 MONSTER ATV
RTR SAVAGE X 4.1 with NITRO GT-2 TRUCK BODY
SAVAGE SS 4.6 KIT WITH NITRO STAR K4.6 ENGINE AND NITRO GT-1 TRUCK BODY
RTR SAVAGE 3.5 TRUCK/NITRO GT1